{"id":5888,"date":"2022-10-19T09:00:00","date_gmt":"2022-10-19T09:00:00","guid":{"rendered":"https:\/\/windowsreport.com\/fr\/?p=5888"},"modified":"2025-09-13T14:49:23","modified_gmt":"2025-09-13T11:49:23","slug":"antivirus-vieux-pc","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/fr\/antivirus-vieux-pc\/","title":{"rendered":"Antivirus les Plus L\u00e9gers Pour Vieux PC [Top 7 Actualis\u00e9]"},"content":{"rendered":"\n<p>Un antivirus l\u00e9ger est vital pour les internautes ex\u00e9cutant d&rsquo;anciens syst\u00e8mes d&rsquo;exploitation tels que Windows 7, Vista ou XP.<\/p>\n\n\n\n<p>Les possesseurs d&rsquo;un vieux ordinateur sont une cat\u00e9gorie sp\u00e9ciale. En fait, la plupart des \u00e9ditions antivirus populaires peuvent ne pas fonctionner correctement en raison des sp\u00e9cifications obsol\u00e8tes du PC.<\/p>\n\n\n\n<p>Bien que le choix \u00e9vident serait de s&rsquo;en d\u00e9lester, les utilisateurs de longue date auront du mail \u00e0 abandonner Windows 7, par exemple.<\/p>\n\n\n\n<p>Le cas \u00e9chant, votre recherche devrait porter sur le <a href=\"https:\/\/windowsreport.com\/fr\/meilleurs-antivirus-windows-7-fin-du-support\/\" target=\"_blank\" rel=\"noreferrer noopener\">meilleur antivirus pour garder Windows 7 \u00e0 jamais<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi choisir un antivirus l\u00e9ger ?<\/h2>\n\n\n\n<p>? N\u00e9cessite moins d&rsquo;espace disque et s&rsquo;installe plus rapidement<br>? Fonctionne en arri\u00e8re-plan sans ralentir votre PC<br>? Sollicite moins le processeur et utilise de m\u00e9moire lors de l&rsquo;ex\u00e9cution d&rsquo;analyses<br>? Installe des mises \u00e0 jour sans drainer vos ressources<\/p>\n\n\n\n<p>Un ordinateur ancien disposera g\u00e9n\u00e9ralement de moins de m\u00e9moire RAM et d&rsquo;espace disque ainsi que des processeurs plus lents. Il est donc important de choisir l&rsquo;antivirus le plus l\u00e9ger pour le prot\u00e9ger.<\/p>\n\n\n\n<p>Un antivirus ayant une empreinte plus petite sur votre syst\u00e8me vous permettra d&rsquo;ex\u00e9cuter d&rsquo;autres applications lors de l&rsquo;analyse. Id\u00e9alement, il roulera en arri\u00e8re-plan sans vous importuner.<\/p>\n\n\n\n<p>AV-Comparatives, qui est un laboratoire de tests ind\u00e9pendant, a lanc\u00e9 cette ann\u00e9e une \u00e9tude comparative des performances des antivirus.<\/p>\n\n\n\n<p>Les noms les plus sonores de l&rsquo;industrie sont au scrutin. ESET se situe en t\u00eate du classement (juste apr\u00e8s K7), ce qui confirme les r\u00e9sultats obtenus par nos experts QA du bureau WindowsReport.<\/p>\n\n\n\n<p>La m\u00e9thodologie de test utilis\u00e9e implique (mais sans s&rsquo;y limiter), la navigation Web et l&rsquo;utilisation simultan\u00e9e d&rsquo;applications ainsi que le t\u00e9l\u00e9chargement et la copie des fichiers plus ou moins volumineux.<\/p>\n\n\n\n<p>Si vous souhaitez savoir quel antivirus prend le moins de ressources, nous vous invitons \u00e0 consulter aussi le <a href=\"https:\/\/www.av-comparatives.org\/tests\/performance-test-april-2022\/\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">rapport des performances AV-Comparatives<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quel est l&rsquo;antivirus le plus l\u00e9ger ?<\/h2>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wr-sponsored-content-item__heading wp-block-heading\"><a href=\"https:\/\/out.reflectormedia.com\/c?o=20566372&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native&amp;aff_sub2=Native_H3\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ESET NOD32<\/a><\/h3>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/10\/Eset-antivirus-leger-pour-vieux-PC.jpg\"><img decoding=\"async\" width=\"900\" height=\"613\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/10\/Eset-antivirus-leger-pour-vieux-PC.jpg\" alt=\"\" class=\"wp-image-22679\" srcset=\"https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Eset-antivirus-leger-pour-vieux-PC.jpg 900w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Eset-antivirus-leger-pour-vieux-PC-308x210.jpg 308w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Eset-antivirus-leger-pour-vieux-PC-120x82.jpg 120w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Eset-antivirus-leger-pour-vieux-PC-140x95.jpg 140w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Eset-antivirus-leger-pour-vieux-PC-64x44.jpg 64w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Si vous roulez sur un PC pas de gamme, NOD32 est la solution qui saura s&rsquo;adapter aux conditions sans drainer vos ressources, ni votre s\u00e9curit\u00e9.<\/p>\n\n\n\n<p>En tant qu&rsquo;un antivirus le plus l\u00e9ger, NOD32 est capable de g\u00e9rer votre syst\u00e8me et d&rsquo;effectuer des analyses p\u00e9riodiques sans affecter ses performances.<\/p>\n\n\n\n<p>Un vieux ordinateur peut ne pas supporter le stress caus\u00e9 par un logiciel exigeant.<\/p>\n\n\n\n<p>ESET comprend ces nuances et s&rsquo;efforce d&rsquo;offrir une piq\u00fbre concentr\u00e9e pour immuniser votre appareil \u00e0 la fois contre les virus existants et les menaces \u00e0 venir.<\/p>\n\n\n\n<p>Les antivirus sont connus pour impacter les syst\u00e8mes h\u00f4tes, notamment lors d&rsquo;analyses approfondies. Heureusement, NOD32 est diff\u00e9rent.<\/p>\n\n\n\n<p>Avec une empreinte syst\u00e8me toute petite et des fichiers de mises \u00e0 jour compress\u00e9s au max, il fera tranquillement son travail en arri\u00e8re-plan sans vous importuner.<\/p>\n\n\n\n<p>Les fournisseurs m\u00eame vous encourage \u00e0 l&rsquo;installer et \u00e0 l&rsquo;oublier !<\/p>\n\n\n\n<p>Pour combler le tout, la fonction d&rsquo;analyse de m\u00e9moire avanc\u00e9e surveillera les comportements malveillants gr\u00e2ce \u00e0 un algorithme sp\u00e9cialis\u00e9 qui n&rsquo;affecte pas la puissance du processeur.<\/p>\n\n\n\n<section class=\"wp-block-windowsreport-companion-disposable-cta-block rmudcb\"><img decoding=\"async\" class=\"rmudcb__image\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2021\/02\/ESET-NOD32-Antivirus-CTA-210x160.png\" alt=\"\" \/> <div class=\"rmudcb__content\"><h3> ESET NOD32 <\/h3> <span> Prot\u00e9gez votre vieux PC avec l&rsquo;antivirus le plus l\u00e9ger et performant du march\u00e9 ! <\/span> <\/div> <div class=\"rmudcb__button\"><strong> Voir prix <\/strong> <a href=\"https:\/\/out.reflectormedia.com\/c?o=20566372&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native&amp;aff_sub2=Native_CTA\" class=\"btn btn--big btn--rounded btn--icon btn--basket\" target=\"_blank\" rel=\"noopener noreferrer\"> Visiter site <\/a> <\/div> <\/section>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wr-sponsored-content-item__heading wp-block-heading\"><a href=\"https:\/\/out.reflectormedia.com\/c?o=20566388&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_H3\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">TotalAV<\/a><\/h3>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2021\/03\/TotalAV-antivirus-leger.jpg\"><img decoding=\"async\" width=\"900\" height=\"500\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2021\/03\/TotalAV-antivirus-leger.jpg\" alt=\"\" class=\"wp-image-22680\" srcset=\"https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/03\/TotalAV-antivirus-leger.jpg 900w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/03\/TotalAV-antivirus-leger-330x183.jpg 330w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/03\/TotalAV-antivirus-leger-120x67.jpg 120w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/03\/TotalAV-antivirus-leger-140x78.jpg 140w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/03\/TotalAV-antivirus-leger-64x36.jpg 64w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Cette fois-ci, c&rsquo;est TotalAV qui est mis en vedette ! Oui, il n&rsquo;est pas dans le top 3, selon AV-Comparatives. Par contre, notre but n&rsquo;est pas seulement de r\u00e9pertorier les antivirus les plus l\u00e9gers.<\/p>\n\n\n\n<p>Notre classement s&rsquo;int\u00e9resse aux vraies p\u00e9pites. Alors, si vous cherchez un antivirus l\u00e9ger et performant, ou bien aussi l\u00e9ger que rapide, TotalAV aura de quoi vous impressionner.<\/p>\n\n\n\n<p>Pour commencer, il n&rsquo;affecte pas les performances de votre ordinateur et offre toujours une protection exceptionnelle. Il d\u00e9tecte et bloque instantan\u00e9ment les sites Web suspects et le contenu malveillant.<\/p>\n\n\n\n<p>Il v\u00e9rifie \u00e9galement vos t\u00e9l\u00e9chargements et vos ex\u00e9cutables \u00e0 la recherche de virus. TotalAV vous aide \u00e0 crypter votre connexion pour ne laisser aucune empreinte num\u00e9rique.<\/p>\n\n\n\n<p>Vos activit\u00e9s seront anonymes et impossibles \u00e0 retracer. Enfin, il permet de programmer des analyses intelligentes pour s&rsquo;ex\u00e9cuter \u00e0 l&rsquo;heure d\u00e9finie. Plut\u00f4t convenable, ne pensez-vous pas ?<\/p>\n\n\n\n<section class=\"wp-block-windowsreport-companion-disposable-cta-block rmudcb\"><img decoding=\"async\" class=\"rmudcb__image\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2021\/03\/TotalAV-CTA-210x160.jpg\" alt=\"\" \/> <div class=\"rmudcb__content\"><h3> TotalAV <\/h3> <span> Profitez de la suite compl\u00e8te de protection TotalAV et immunisez votre PC ! <\/span> <\/div> <div class=\"rmudcb__button\"><strong> Voir prix <\/strong> <a href=\"https:\/\/out.reflectormedia.com\/c?o=20566388&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_CTA\" class=\"btn btn--big btn--rounded btn--icon btn--basket\" target=\"_blank\" rel=\"noopener noreferrer\"> Visiter site <\/a> <\/div> <\/section>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wr-sponsored-content-item__heading wp-block-heading\"><a href=\"https:\/\/out.reflectormedia.com\/c?o=20566412&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_H3\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Avira Antivirus<\/a><\/h3>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/04\/Avira-Free-AV-2.jpg\"><img decoding=\"async\" width=\"900\" height=\"601\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/04\/Avira-Free-AV-2.jpg\" alt=\"\" class=\"wp-image-19731\" srcset=\"https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avira-Free-AV-2.jpg 900w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avira-Free-AV-2-314x210.jpg 314w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avira-Free-AV-2-120x80.jpg 120w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avira-Free-AV-2-140x93.jpg 140w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avira-Free-AV-2-64x43.jpg 64w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avira-Free-AV-2-340x227.jpg 340w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Cette fois, un antivirus l\u00e9ger gratuit. Avira est une excellente option d&rsquo;antivirus gratuit pour vieux PC qui peut effectuer des analyses approfondies sans tracas.<\/p>\n\n\n\n<p>Encore mieux, Avira peut aider \u00e0 am\u00e9liorer les performances de votre PC en supprimant les fichiers ind\u00e9sirables. D&rsquo;ailleurs, il s&rsquo;est av\u00e9r\u00e9 \u00eatre l&rsquo;un des <a href=\"https:\/\/windowsreport.com\/fr\/meilleurs-antivirus-gratuits-windows-7\/\" target=\"_blank\" rel=\"noreferrer noopener\">meilleurs antivirus pour Windows 7<\/a>.<\/p>\n\n\n\n<p>Le programme dispose d&rsquo;une fonction d&rsquo;analyse compl\u00e8te ainsi que des scans rapides.<\/p>\n\n\n\n<p>Il s&rsquo;ex\u00e9cute toujours en arri\u00e8re-plan pour arr\u00eater les attaques entrantes, filtrer les sites Web suspects et garder vos donn\u00e9es en s\u00e9curit\u00e9.<\/p>\n\n\n\n<section class=\"wp-block-windowsreport-companion-disposable-cta-block rmudcb\"><img decoding=\"async\" class=\"rmudcb__image\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2021\/02\/Avira-cta-210x160.png\" alt=\"\" \/> <div class=\"rmudcb__content\"><h3> Avira <\/h3> <span> L\u00e9ger et rapide, Avira vous prot\u00e9gera \u00e0 la fois des menaces connues et \u00e9mergeantes. <\/span> <\/div> <div class=\"rmudcb__button\"><strong> T\u00e9l\u00e9charger <\/strong> <a href=\"https:\/\/out.reflectormedia.com\/c?o=20566412&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_CTA\" class=\"btn btn--big btn--rounded btn--icon btn--basket\" target=\"_blank\" rel=\"noopener noreferrer\"> Visiter site <\/a> <\/div> <\/section>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wr-sponsored-content-item__heading wp-block-heading\"><a href=\"https:\/\/out.reflectormedia.com\/c?o=20566367&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_H3\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Bitdefender Internet Security<\/a><\/h3>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/10\/Bitdefender-banner-interface.jpg\"><img decoding=\"async\" width=\"900\" height=\"527\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/10\/Bitdefender-banner-interface.jpg\" alt=\"\" class=\"wp-image-22687\" srcset=\"https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Bitdefender-banner-interface.jpg 900w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Bitdefender-banner-interface-330x193.jpg 330w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Bitdefender-banner-interface-120x70.jpg 120w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Bitdefender-banner-interface-140x82.jpg 140w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/10\/Bitdefender-banner-interface-64x37.jpg 64w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Bitdefender Internet Security est renomm\u00e9 pour ses capacit\u00e9s in\u00e9gal\u00e9es de d\u00e9tection, blocage et pr\u00e9vention des cybermenaces.<\/p>\n\n\n\n<p>Il est construit par une \u00e9quipe solide de d\u00e9veloppement qui vise \u00e0 offrir une suite compl\u00e8te de protection. Son m\u00e9canisme de d\u00e9tection n&rsquo;utilise pas trop de ressources syst\u00e8me. Il convient donc \u00e9galement aux PC plus anciens.<\/p>\n\n\n\n<p>Gr\u00e2ce \u00e0 la technologie exclusive Photon, le programme arrive \u00e0 s&rsquo;adapter \u00e0 la configuration de votre syst\u00e8me, quoique contraignante.<\/p>\n\n\n\n<p>Encore mieux, il \u00e9conomise des ressources et am\u00e9liore les performances et la r\u00e9activit\u00e9 globale.<\/p>\n\n\n\n<p>Bitdefender dispose d&rsquo;une vaste base de signatures constamment actualis\u00e9es pour inclure les informations pertinentes sur les menaces les plus r\u00e9centes. Mais son vrai atout vient de l&rsquo;innovation.<\/p>\n\n\n\n<p>Pour compl\u00e9ter son arsenal de d\u00e9tection des comportements suspects, cet antivirus l\u00e9ger s&rsquo;appuie \u00e9galement sur l&rsquo;apprentissage automatique.<\/p>\n\n\n\n<section class=\"wp-block-windowsreport-companion-disposable-cta-block rmudcb\"><img decoding=\"async\" class=\"rmudcb__image\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2020\/08\/Bitdefender-logo-210x160.png\" alt=\"\" \/> <div class=\"rmudcb__content\"><h3> Bitdefender <\/h3> <span> D\u00e9licate sur votre syst\u00e8me et implacable avec les virus, voici la recette gagnante ! <\/span> <\/div> <div class=\"rmudcb__button\"><strong> Essai gratuit <\/strong> <a href=\"https:\/\/out.reflectormedia.com\/c?o=20566367&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_CTA\" class=\"btn btn--big btn--rounded btn--icon btn--basket\" target=\"_blank\" rel=\"noopener noreferrer\"> Visiter site <\/a> <\/div> <\/section>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wr-sponsored-content-item__heading wp-block-heading\"><a href=\"https:\/\/out.reflectormedia.com\/c?o=20566500&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_H3\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Kaspersky Internet Security<\/a><\/h3>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2021\/10\/Kaspersky-banner-OK.jpg\"><img decoding=\"async\" width=\"988\" height=\"507\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2021\/10\/Kaspersky-banner-OK.jpg\" alt=\"\" class=\"wp-image-17701\" srcset=\"https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/10\/Kaspersky-banner-OK.jpg 988w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/10\/Kaspersky-banner-OK-330x169.jpg 330w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/10\/Kaspersky-banner-OK-120x62.jpg 120w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/10\/Kaspersky-banner-OK-140x72.jpg 140w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2021\/10\/Kaspersky-banner-OK-64x33.jpg 64w\" sizes=\"(max-width: 988px) 100vw, 988px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Kaspersky Antivirus&nbsp;est l&rsquo;un des antivirus largement utilis\u00e9s dans le monde qui prot\u00e8ge contre les logiciels malveillants.&nbsp;<\/p>\n\n\n\n<p>L&rsquo;antivirus offre une protection en couches pour analyser votre syst\u00e8me rapidement sans donner de faux positifs.<\/p>\n\n\n\n<p>Il est \u00e9galement compatible avec les anciennes versions du syst\u00e8me d&rsquo;exploitation Windows, y compris Windows XP et&nbsp;Vista,&nbsp;ce qui en fait un bon choix pour les utilisateurs de vieux PC.<\/p>\n\n\n\n<p>Ces fonctionnalit\u00e9s incluent un scanneur de fichiers, un <a href=\"https:\/\/windowsreport.com\/fr\/meilleurs-logiciels-desinstallation\/\" target=\"_blank\" rel=\"noreferrer noopener\">programme de d\u00e9sinstallation de logiciels<\/a>, <a href=\"https:\/\/windowsreport.com\/fr\/meilleurs-antivirus-pc-gaming\/\" target=\"_blank\" rel=\"noreferrer noopener\">mode joueur<\/a>, d\u00e9crypteur de ran\u00e7ongiciels, restauration du syst\u00e8me, clavier virtuel, protection cloud, disque de secours, etc.<\/p>\n\n\n\n<p>En outre, l&rsquo;une des caract\u00e9ristiques uniques de Kaspersky est qu&rsquo;il n\u00e9cessite 512 Mo de RAM et 480 Mo d&rsquo;espace disque pour fonctionner. <\/p>\n\n\n\n<p>Cela en fait une excellente option pour les PC plus anciens, en particulier les PC dot\u00e9s de processeurs plus lents.<\/p>\n<\/div><\/div>\n\n\n\n<section class=\"wp-block-windowsreport-companion-disposable-cta-block rmudcb\"><img decoding=\"async\" class=\"rmudcb__image\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2021\/07\/Kaspersky-210x160.jpg\" alt=\"\" \/> <div class=\"rmudcb__content\"><h3> Kaspersky <\/h3> <span> Activez le bouclier supr\u00eame de s\u00e9curit\u00e9, fourni par une entreprise de top de l&rsquo;industrie ! <\/span> <\/div> <div class=\"rmudcb__button\"><strong> Voir prix <\/strong> <a href=\"https:\/\/out.reflectormedia.com\/c?o=20566500&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_CTA\" class=\"btn btn--big btn--rounded btn--icon btn--basket\" target=\"_blank\" rel=\"noopener noreferrer\"> Vister site <\/a> <\/div> <\/section>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wr-sponsored-content-item__heading wp-block-heading\"><a href=\"https:\/\/out.reflectormedia.com\/c?o=20566376&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native&amp;aff_sub2=Native_H3\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Avast Free Antivirus<\/a><\/h3>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/04\/Avast-antivirus-gratuit.jpg\"><img decoding=\"async\" width=\"900\" height=\"566\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/04\/Avast-antivirus-gratuit.jpg\" alt=\"\" class=\"wp-image-19737\" srcset=\"https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avast-antivirus-gratuit.jpg 900w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avast-antivirus-gratuit-330x208.jpg 330w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avast-antivirus-gratuit-120x75.jpg 120w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avast-antivirus-gratuit-140x88.jpg 140w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/04\/Avast-antivirus-gratuit-64x40.jpg 64w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Avast est un g\u00e9ant de l&rsquo;industrie avec des centaines de millions d&rsquo;utilisateurs dans le monde entier.\u00a0<\/p>\n\n\n\n<p>Si vous voulez un antivirus l\u00e9ger et efficace pour votre ancien PC, ne cherchez pas plus loin. Avast Antivirus est compatible avec tous les syst\u00e8mes d&rsquo;exploitation Windows.<\/p>\n\n\n\n<p>Cet outil est livr\u00e9 avec des fonctionnalit\u00e9s telles qu&rsquo;un scanner de fichiers, disque de secours, <a href=\"https:\/\/windowsreport.com\/fr\/gestionnaire-mot-de-passe-windows-10\/\" target=\"_blank\" rel=\"noreferrer noopener\">gestionnaire de mots de passe<\/a>, nettoyeur de fichiers ind\u00e9sirables et de navigateur, inspecteur Wi-Fi et mode Jeu.<\/p>\n\n\n\n<p>De plus, c&rsquo;est un antivirus l\u00e9ger gratuit qui propose des boucliers Web, comportementaux et de messagerie.<\/p>\n<\/div><\/div>\n\n\n\n<section class=\"wp-block-windowsreport-companion-disposable-cta-block rmudcb\"><img decoding=\"async\" class=\"rmudcb__image\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2021\/03\/Avast-gratuit-210x160.jpg\" alt=\"\" \/> <div class=\"rmudcb__content\"><h3> Avast <\/h3> <span> Prot\u00e9gez votre vieux ordinateur avec l&rsquo;une des applications les plus l\u00e9g\u00e8res du march\u00e9 ! <\/span> <\/div> <div class=\"rmudcb__button\"><strong> T\u00e9l\u00e9charger <\/strong> <a href=\"https:\/\/out.reflectormedia.com\/c?o=20566376&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native&amp;aff_sub2=Native_CTA\" class=\"btn btn--big btn--rounded btn--icon btn--basket\" target=\"_blank\" rel=\"noopener noreferrer\"> Visiter site <\/a> <\/div> <\/section>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wr-sponsored-content-item__heading wp-block-heading\"><a href=\"https:\/\/out.reflectormedia.com\/c?o=20566383&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_H3\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Panda Essential<\/a><\/h3>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/07\/Panda-antivirus-pour-Windows-XP.jpg\"><img decoding=\"async\" width=\"1000\" height=\"500\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/07\/Panda-antivirus-pour-Windows-XP.jpg\" alt=\"\" class=\"wp-image-21299\" srcset=\"https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/07\/Panda-antivirus-pour-Windows-XP.jpg 1000w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/07\/Panda-antivirus-pour-Windows-XP-330x165.jpg 330w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/07\/Panda-antivirus-pour-Windows-XP-120x60.jpg 120w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/07\/Panda-antivirus-pour-Windows-XP-140x70.jpg 140w, https:\/\/windowsreport.com\/fr\/wp-content\/uploads\/sites\/3\/2022\/07\/Panda-antivirus-pour-Windows-XP-64x32.jpg 64w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Panda Security est connu pour son exp\u00e9rience utilisateur agr\u00e9able. La convivialit\u00e9 de l&rsquo;application est due \u00e0 la conception \u00e9pur\u00e9e ainsi qu&rsquo;aux options intuitives.<\/p>\n\n\n\n<p>C&rsquo;est un antivirus l\u00e9ger, mais solide et riche en fonctionnalit\u00e9s qui excelle dans la protection en temps r\u00e9el.<\/p>\n\n\n\n<p>Il s&rsquo;ex\u00e9cute en arri\u00e8re-plan, utilise peu de ressources et n&rsquo;occupe pas trop d&rsquo;espaces m\u00e9moire lors des analyses.<\/p>\n\n\n\n<p>D&rsquo;ailleurs, il est rapide \u00e0 r\u00e9pondre et inclus un pare-feu puissant qui peut fonctionner parall\u00e8lement au pare-feu int\u00e9gr\u00e9 de Windows.<\/p>\n\n\n\n<section class=\"wp-block-windowsreport-companion-disposable-cta-block rmudcb\"><img decoding=\"async\" class=\"rmudcb__image\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/sites\/3\/2022\/10\/Panda-antivirus-logo-210x160.png\" alt=\"\" \/> <div class=\"rmudcb__content\"><h3> Panda <\/h3> <span> S\u00e9curit\u00e9 ou performances ?\u00a0D\u00e9sormais, vous pouvez avoir les deux m\u00eame sur un vieux PC ! <\/span> <\/div> <div class=\"rmudcb__button\"><strong> Voir prix <\/strong> <a href=\"https:\/\/out.reflectormedia.com\/c?o=20566383&#038;m=17686&#038;a=758367&#038;aff_sub1=[current_url]&#038;aff_sub2=Native_CTA\" class=\"btn btn--big btn--rounded btn--icon btn--basket\" target=\"_blank\" rel=\"noopener noreferrer\"> Visiter site <\/a> <\/div> <\/section>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u2696\ufe0f Antivirus gratuit pour vieux PC &#8211; \u00e0 prendre ou \u00e0 \u00e9viter ?<\/h3>\n\n\n\n<p>On ne peut pas parler de la p\u00e9nurie \u00e0 ce point. Au contraire, le march\u00e9 bat son plein. Pourtant, les utilisateurs s&rsquo;attendent fr\u00e9quemment \u00e0 ce qu&rsquo;un programme satisfasse plusieurs besoins.<\/p>\n\n\n\n<p>Un antivirus l\u00e9ger ne suffit plus. Que ce soit un antivirus l\u00e9ger gratuit, un antivirus l\u00e9ger et efficace ou rapide ou bien un antivirus gratuit qui ne ralentit pas le PC, il est s\u00fbr de dire que les outils de s\u00e9curit\u00e9 doivent r\u00e9pondre aux exigences croissantes.<\/p>\n\n\n\n\n\n<p>Les antivirus utilisent la m\u00e9moire diff\u00e9remment selon les t\u00e2ches qu&rsquo;ils ex\u00e9cutent.<\/p>\n\n\n\n<p>La plupart fonctionnent en arri\u00e8re-plan pour d\u00e9tecter les menaces en temps r\u00e9el et le taux d&rsquo;utilisation de la m\u00e9moire inactive est assez faible. Les r\u00e8gles changent lorsque votre antivirus effectue un scan complet.<\/p>\n\n\n\n<p>Alors <a href=\"https:\/\/windowsreport.com\/fr\/meilleurs-antivirus-pc-lent\/\" target=\"_blank\" rel=\"noreferrer noopener\">quel antivirus ne ralentit pas l&rsquo;ordinateur<\/a> ? Bien que les outils sans frais ont tendance \u00e0 engloutir plus d&rsquo;espace m\u00e9moire, il n&rsquo;est pas impossible de trouver un antivirus gratuit qui ne ralentit pas le PC.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Fournisseur antivirus<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Utilisation RAM (valeurs moyennes)<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Avast<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">6.3 Mo<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Panda<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">9.8 Mo<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Bitdefender<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">14.9 Mo<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Kaspersky<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">23.4 Mo<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>AVG<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">29.5 Mo<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>La multiplication sans pr\u00e9c\u00e9dent des dangers dans l&rsquo;espace cybern\u00e9tique, combin\u00e9e \u00e0 la vitesse galopante de propagation justifie la pr\u00e9sence de ces outils.<\/p>\n\n\n\n<p>Pour rester dans la course, les antivirus redoublent d&rsquo;efforts pour offrir une exp\u00e9rience num\u00e9rique hygi\u00e9nique \u00e0 tous. Avez-vous trouv\u00e9 l&rsquo;antivirus le plus l\u00e9ger ?<\/p>\n\n\n\n<p>N&rsquo;h\u00e9sitez\u00a0pas\u00a0\u00e0\u00a0partager votre exp\u00e9rience avec nous.\u00a0Vos commentaires sont toujours les bienvenus.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un antivirus l\u00e9ger est vital pour les internautes ex\u00e9cutant d&rsquo;anciens syst\u00e8mes d&rsquo;exploitation tels que Windows 7, Vista ou XP. Les possesseurs d&rsquo;un vieux ordinateur sont une cat\u00e9gorie sp\u00e9ciale. En fait, la plupart des \u00e9ditions antivirus populaires peuvent ne pas fonctionner correctement en raison des sp\u00e9cifications obsol\u00e8tes du PC. Bien que le choix \u00e9vident serait de [&hellip;]<\/p>\n","protected":false},"author":252,"featured_media":22688,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[1021],"tags":[10396,1204],"work":[10860,10861,10862,12],"class_list":["post-5888","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-antivirus","tag-av-vieux-pc","tag-logiciels-antivirus","work-exclude-first-cta","work-exclude-last-cta","work-exclude-mid-cta","work-sponsored-content"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Antivirus les Plus L\u00e9gers Pour Vieux PC [Top 7 Actualis\u00e9]<\/title>\n<meta name=\"description\" content=\"Un antivirus l\u00e9ger s&#039;adaptera aux sp\u00e9cifications les plus diverses. 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