{"id":19404,"date":"2022-03-30T09:00:00","date_gmt":"2022-03-30T09:00:00","guid":{"rendered":"https:\/\/windowsreport.com\/fr\/?p=19404"},"modified":"2025-09-27T18:34:41","modified_gmt":"2025-09-27T15:34:41","slug":"forcer-installation-windows-11","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/fr\/forcer-installation-windows-11\/","title":{"rendered":"Comment forcer l’installation de Windows 11 sur un vieux PC"},"content":{"rendered":"\n

Windows 11 n’est plus le secret le mieux gard\u00e9 au monde, tout comme il n’est plus r\u00e9serv\u00e9 \u00e0 la caste exclusive des membres appartenant \u00e0 la communaut\u00e9 Windows Insider. <\/p>\n\n\n\n

Tout le monde peut d\u00e9sormais t\u00e9l\u00e9charger Windows 11<\/a> et profiter de ses superbes finitions et de ses fonctionnalit\u00e9s am\u00e9lior\u00e9es.<\/p>\n\n\n\n

Mais est-ce que c’est r\u00e9ellement \u00e0 tous d’y r\u00e9jouir ? Effectivement, votre ordinateur doit respecter des r\u00e8gles bien pr\u00e9cises pour pouvoir passer \u00e0 Windows 11.<\/p>\n\n\n\n

\u00c0 cet effet, Microsoft a publi\u00e9 une sorte de checklist<\/a> o\u00f9 vous trouverez une longue liste avec toutes les sp\u00e9cifications n\u00e9cessaires pour satisfaire les pr\u00e9requis de configuration mat\u00e9rielle minimale.<\/p>\n\n\n\n

Quels PC sont compatibles avec Windows 11 ?<\/h3>\n\n\n\n

Entre autres, les conditions visent le type de votre processeur (Intel ou AMD, 1 GHz ou plus), la capacit\u00e9 de RAM et stockage, la carte et les pilotes graphiques, l’obligation d’embarquement du module TPM, la taille de votre \u00e9cran et le micrologiciel avec d\u00e9marrage s\u00e9curis\u00e9.<\/p>\n\n\n\n

Nous n’allons pas tout r\u00e9pertorier d’abord parce que Microsoft a fourni une liste exhaustive que vous pouvez consulter \u00e0 partir du lien renseign\u00e9 en haut. <\/p>\n\n\n\n

D’ailleurs, vous n’aurez m\u00eame pas besoin de retenir tous ces d\u00e9tails. Afin de tester la compatibilit\u00e9 de votre machine, il vous suffit d’utiliser l’application Contr\u00f4le d’int\u00e9grit\u00e9 du PC<\/em> qui vous informera o\u00f9 vous en \u00eates.<\/p>\n\n\n

\n
\"\"<\/a><\/figure>\n<\/div>\n\n\n\n\n

Par contre, si votre configuration pose de probl\u00e8mes susceptibles d’entraver la mise \u00e0 jour de votre ordinateur vers Windows 11, il y a des moyens pour contourner les exigences de Microsoft. <\/p>\n\n\n\n

Assurez-vous de r\u00e9soudre toute erreur syst\u00e8me, comme l’erreur de fichier script sysinfy2x.db<\/a><\/strong>, avant de proc\u00e9der \u00e0 la mise \u00e0 jour forc\u00e9e vers Windows 11.<\/p>\n\n\n\n

Alors, plongeons dans le vif du sujet.<\/p>\n\n\n\n

Comment forcer l’installation de Windows 11 sur un PC non compatible ?<\/h2>\n\n\n\n

1. Utilisez le script de MediaCreation<\/h3>\n\n\n\n
    \n
  1. T\u00e9l\u00e9chargez MediaCreationTool.bat<\/a><\/strong> \u00e0 partir du site GitHub.<\/li>\n\n\n\n
  2. Au-dessous du bouton vert marqu\u00e9 Code<\/strong>, choisissez Download ZIP<\/strong> pour t\u00e9l\u00e9charger l’archive sur votre PC. \"\"<\/a><\/li>\n\n\n\n
  3. D\u00e9compressez les fichiers et faites un double clic sur le fichier Skip_TPM_Check_on_Dynamic_Update.cmd<\/strong><\/code><\/li>\n\n\n\n
  4. Alternativement, ouvrez le dossier MCT et double-cliquez sur Skip_TPM_Check_on_Dynamic_Update_v2.exe<\/strong><\/code><\/li>\n\n\n\n
  5. Ensuite, double-cliquez sur MediaCreationTool.bat<\/em> et t\u00e9l\u00e9chargez la version Windows 11 (en tant qu’image de disque ISO, fichier pr\u00eat pour une cl\u00e9 USB, etc.) \"\"<\/a><\/li>\n\n\n\n
  6. Alternativement, vous pouvez lancer la mise \u00e0 niveau vers Windows 11 en appuyant sur Auto Setup<\/strong>. \"\"<\/a><\/li>\n\n\n\n
  7. Enfin, cliquez sur Oui<\/strong> pour ex\u00e9cuter le script dans l\u2019Invite de commandes.<\/li>\n<\/ol>\n\n\n\n

    Si vous ne souhaitez pas r\u00e9installer compl\u00e8tement votre syst\u00e8me (et donc formater votre disque dur), vous pouvez tout simplement t\u00e9l\u00e9charger cet utilitaire qui vous permettra d’installer Windows 11 m\u00eame si votre PC ne respecte pas la configuration mat\u00e9rielle minimale requise par Microsoft.<\/p>\n\n\n\n

    Autrement dit, vous pourrez forcer l’installation de Windows 11 avec un script pratique qui vous permet de r\u00e9cup\u00e9rer l’image ISO de Windows 11. <\/p>\n\n\n\n

    Apr\u00e8s, c’est \u00e0 vous de d\u00e9cider si vous souhaitez la monter sur une partition vierge ou bien installer Windows 11 sur une machine virtuelle<\/a>.<\/p>\n\n\n\n\n\n

    2. Utilisez l’\u00c9diteur du Registre<\/h3>\n\n\n\n
      \n
    1. Appuyez sur la loupe disponible sur la barre de recherche et ins\u00e9rez regedit<\/strong> afin d’ouvrir l’\u00c9diteur du Registre<\/em>. \"\"<\/a><\/li>\n\n\n\n
    2. Dans le volet de gauche, identifiez la cl\u00e9 : HKEY_LOCAL_MACHINE\\SYSTEM\\Setup\\MoSetup<\/strong><\/code><\/li>\n\n\n\n
    3. Faites un clic droit dessus et s\u00e9lectionnez Nouveau<\/strong>, puis Cl\u00e9<\/em>. Dans le menu d\u00e9roulant, choisissez l’entr\u00e9e Valeur DWORD 32 bits<\/strong>. \"\"<\/a><\/li>\n\n\n\n
    4. Nommez la nouvelle entr\u00e9e AllowUpgradesWithUnsupportedTPMOrCPU<\/em> et d\u00e9finissez sa valeur sur 1<\/strong>.<\/li>\n\n\n\n
    5. Cette modification fera en sorte que l’installation de Windows 11 ne v\u00e9rifie plus la pr\u00e9sence du module TPM 2.0. Veuillez r\u00e9p\u00e9ter les pas ci-dessus (faites attention \u00e0 changer le nom de l’entr\u00e9e!) pour contourner \u00e9galement le d\u00e9marrage s\u00e9curis\u00e9<\/em>.<\/li>\n\n\n\n
    6. Ensuite, vous pouvez continuer le processus, soit \u00e0 l’aide de l\u2019assistant d\u2019installation de Windows 11, soit en t\u00e9l\u00e9chargeant le fichier ISO de Windows 11. Vous trouverez tous les liens n\u00e9cessaires sur la page officielle de t\u00e9l\u00e9chargement de Windows 11<\/a>.<\/li>\n<\/ol>\n\n\n\n

      Quoi d’autre dois-je savoir?<\/h3>\n\n\n\n
        \n
      1. Notez que la modification du Registre comporte des risques s\u00e9v\u00e8res. Toute mauvaise manipulation est susceptible d’endommager irr\u00e9versiblement votre PC, raison pour laquelle nous vous conseillons d’agir prudemment. Assurez-vous d’utiliser un bon nettoyeur de registre<\/a> qui vous permette de restaurer cette base de donn\u00e9es si besoin. <\/li>\n\n\n\n
      2. Un autre point important \u00e0 retenir se r\u00e9f\u00e8re \u00e0 la continuit\u00e9 des mises \u00e0 jour. Bien que la progression dans ce sens ne soit pas encore fermement \u00e9tablie, il existe la possibilit\u00e9 que Microsoft pr\u00e9voie le blocage des mises \u00e0 jour essentielles sur les PC non compatibles, ayant forc\u00e9 l’installation de Windows 11..<\/li>\n\n\n\n
      3. Enfin, en for\u00e7ant l’installation de Windows 11 sur un PC qui n’est pas normalement cens\u00e9 \u00eatre \u00e9ligible \u00e0 cette MAJ, vous risquez de vous confronter aux plantages, aux g\u00e8les et \u00e0 d’autres dysfonctionnements du syst\u00e8me, inclusivement des erreurs d’\u00e9cran bleu de la mort. Pour contrecarrer \u00e0 ces ph\u00e9nom\u00e8nes ind\u00e9sirables et emp\u00eacher la perte d’informations, nous vous conseillons d’avoir \u00e0 port\u00e9e un outil de r\u00e9cup\u00e9ration de donn\u00e9es fiable<\/a>.<\/li>\n<\/ol>\n\n\n\n

        Prendre ses pr\u00e9cautions est toujours une bonne id\u00e9e. Par contre, cela ne change pas le fait que l’installation de Windows sur un PC non compatible comporte des risques. <\/p>\n\n\n\n

        Si vous souhaitez plut\u00f4t \u00e9liminer ces risques et que vous soyez pr\u00eat \u00e0 investir dans un nouveau \u00e9quipement, vous pouvez jeter un coup d’\u0153il \u00e0 ces meilleurs PC portables compatibles avec Windows 11<\/a>. <\/p>\n\n\n\n

        Et si vous ne comptez pas vous engager dans une d\u00e9marche aussi radicale, opter pour une carte m\u00e8re TPM 2.0<\/a> serait un point de d\u00e9part tout aussi bon.<\/p>\n","protected":false},"excerpt":{"rendered":"

        Windows 11 n’est plus le secret le mieux gard\u00e9 au monde, tout comme il n’est plus r\u00e9serv\u00e9 \u00e0 la caste exclusive des membres appartenant \u00e0 la communaut\u00e9 Windows Insider.  Tout le monde peut d\u00e9sormais t\u00e9l\u00e9charger Windows 11 et profiter de ses superbes finitions et de ses fonctionnalit\u00e9s am\u00e9lior\u00e9es. Mais est-ce que c’est r\u00e9ellement \u00e0 tous d’y r\u00e9jouir ? Effectivement, votre ordinateur doit […]<\/p>\n","protected":false},"author":252,"featured_media":19417,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[10842],"tags":[8865,10510],"work":[10860,10861,10862],"class_list":["post-19404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows-11-guides","tag-installation-windows","tag-windows-11","work-exclude-first-cta","work-exclude-last-cta","work-exclude-mid-cta"],"acf":[],"yoast_head":"\nComment forcer l'installation de Windows 11 sur un vieux PC<\/title>\n<meta name=\"description\" content=\"Votre PC ne respecte pas les exigences minimales impos\u00e9es par Microsoft ? 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