11 Best Antiviruses With Offline Updates [2024 Guide]

Update the virus definitions when offline with these antiviruses

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Key notes

  • Looking for a great antivirus with offline update features? Then you need tools with excellent multilayered protection.
  • Keep your eyes on apps that can speed up your device and scan your PC.
  • Don’t miss out on tools based on next-gen technology that block exploits.
  • A strong antivirus with offline protection should also incorporate a great firewall.
antivirus offline updates

Antivirus signatures need to be up to date to prevent or remove threats easily. However, most antivirus companies provide offline virus definition signatures.

This means that new patches can be easily downloaded from any computer and then manually install the updates on a system or device with a limited or no internet connection at all.

In this post, we have compiled a list of the best offline antivirus software that can update your device offline. Most of the software is easy to install; hence, you can download and update it whenever necessary.

This article will cover offline antivirus software that doesn’t need constant Internet connectivity to perform the job.

Another category of software that we’ll focus on is the antivirus offline installer that can be fully downloaded from the Internet and then installed on another PC that isn’t connected to the Internet.


Which antivirus can be updated offline?

Antivirus FreeFree trial
ESET HOME Security Essential
Bitdefender Total Security
Avast Free Antivirus
Vipre Antivirus Plus
Kaspersky Standard
McAfee Antivirus Plus
F-Secure Safe
Comodo Antivirus
Clam Antivirus (ClamAV)
Trend Micro Maximum Security

ESET HOME Security Essential – Most comprehensive set of features

Offline protection against viruses is just as important as online security, that’s why in order to keep your PC protected at all times, you can rely on ESET HOME Security Essential.

With this intelligent software, you can enjoy your gaming and other streaming activities while enjoying the advanced online safety you need.

Thanks to high-quality antivirus technology you get multilayered protection and minimal power usage that gets your device running smoothly.

ESET HOME Security Essential is a powerful and user-friendly software that once you install it you don’t need to worry about tuning up other settings. Just update regularly and your device is secured.

Here are some of its top features:

  • Battery-saving mode for extended protection on your portable devices
  • Easy to install, renew, and upgrade
  • Award-winning multi-layered security solution
  • Safely store and prefill passwords

When it comes to offline updates, ESET HOME Security Essential provides its own solutions on its website and explains them carefully so that everyone can do it. Whether it’s 1 or 100 workstations, the offline update works just as well.

They also offer excellent customer support and help you update those if you can’t update them yourself.

ESET HOME Security Essential

Benefit from advanced protection even when you’re offline with this excellent antivirus software.
Free Trial Visit Website

Bitdefender Total Security – Best virus security

This is the Best Value for Windows PC Protection and it comes with different programs for PCs and Android mobile devices.

It is very compatible with Windows OS. This security software protects against malware on various devices and it is also very good for slow computers.

Bitdefender updates its offline definition files once every week, usually on a Friday. The update file is a setup installer; hence, run the installer file to install the updates.

Ensure you get the correct 32-bit or 64-bit version for the operating system Bitdefender software is installed on. As far as online protection is concerned, Bitdefender is indeed the top antivirus tool.

Review of its most important features:

  • Best threat detection rates
  • Light on your system but feature-rich
  • Dedicated browser for safe online banking
  • Bitdefender VPN for perfect identity protection

When it comes to offline updates, when the computer has no internet access, Bitdefender provides its users with a thorough tutorial on how to do it via a special app on its website.

With its unbeatable threat detection that can stop sophisticated malware and its innovative technologies that protect you against zero-day attacks, Bitdefender is the perfect antivirus for your PC.

Bitdefender Total Security

Trust this antivirus software built on advanced technology for real-time security even on a slow PC.
Free trial Visit Website

Avast Free Antivirus – Best free antivirus option

First of all, Avast Free Antivirus software is ideal for PCs and other devices. It offers great protection against online threats and thanks to the new Behavior Shield feature it provides enhanced security.

This antivirus supports offline updates and is compatible with Windows OS. In addition, the Avast VPS Definitions file will update versions 5-8 of any Avast product with a separate download for the older v4.

Avast Free Antivirus still remains the best option for users who don’t want to pay for using the software. It works offline and offers great protection for your PC against the occasional pop-ups.

Take a look at some of its best features:

  • Do Not Disturb mode with popup blocker
  • Centralized license management
  • Easy to use and maintain
  • Friendly and simple user interface
  • Behavioral Shield feature for app monitoring

Maintain your online identity completely hidden with Avast. The AntiTrack feature is exactly what you need when browsing online.

Moreover, some premium tune-up tools are always welcomed. Cleanup your PC, delete random files, and unused programs to make your PC run at the highest performance.

Avast Free Antivirus

Protect your device when you’re offline with this professional antivirus that can ensure optimum security.
Free download Visit Website

Avira – Best unique features

Avira antivirus has become one of the best solutions for protecting your computer and it’s perfect for users who want an antimalware tool that can update offline.

One great feature of this offline antivirus is the Speed Booster which enhances the capacity of your computer by speeding up your system.

With Avira antivirus, your personal data is perfectly safe thanks to the Identity Protection feature that provides you with powerful passwords for your accounts that you don’t have to remember.

A very important element is also the fact that you get a free VPN that protects your personal information while you’re online and prevents other sites from tracking you.

Consider some of Avira’s top features:

  • Free VPN included
  • Performance and speed booster for your PC
  • Password protection for advanced privacy
  • Phishing and ransomware advanced protection

To simply update Avira antivirus offline, you just have to get the latest virus definitions version, put it on a USB stick and then select Manual Update from Avira’s interface.

Avira is an amazing antivirus, with plenty of features and security settings that will never let you down in a time of need.


Looking for great offline security? Rely on this lightweight antivirus with a variety of antimalware features.

Vipre Antivirus Plus – Most reliable and advanced

antivirus router

Vipre Antivirus Plus might not come with a load of extra options, but just with the essential ones, even in the Advanced or Ultimate plan.

However, the product is a very reliable, next-gen solution to protect your devices and it offers offline updates.

Besides being easy to set up, Vipre uses the latest technologies to detect not just the newest malware known in the industry, but also emerging and advanced threats that can compromise your system.

With Vipre, you get real-time protection and scanning for all your apps and programs upon launch, to ensure they are safe.

Let’s see what are the top features of Vipre:

  • Automatic updates and maintenance
  • Malware, spyware, and ransomware detection and removal
  • Anti-spam protects against phishing and other email exploits
  • Webcam and microphone blocker

The Ransomware Protection feature blocks any type of exploit before it gets a chance to run on your device.

If you can’t use the automatic antivirus updates, you can download the latest program definitions from the official Vipre website.

Vipre Antivirus Plus

If you’re looking for a strong tool for a slow PC, trust Vipre to offer the security you need.
Free trial Visit Website

Kaspersky Standard – Ease of use and fast to install

Kaspersky Internet Security is very good and compatible with Windows OS. It has everything you would need in a suite and its components are very effective.

This security software has a strong firewall that can give your system maximum protection against unknown connections. It has anti-malware security suitable to detect viruses before they infect your PC.

Kaspersky has a built-in VPN. You can use it to protect your identity online and access country-specific content.

Webcam protection, adult content blocker, screen-time management, and many more feature to discover on this amazing antivirus.

Let’s take a look at the best features of Kaspersky:

  • Secure password storing and management
  • File backup and encryption
  • Extra security for online banking transactions
  • Easy to setup and manage without any training
  • Protects your devices on multiple platforms

To update this software offline, download the zip file for the particular Kaspersky product you have. After extracting the zip, run the updater.bat file while waiting for the definitions to download.

After downloading the definitions, go to your software settings and update sources manually.

Kaspersky Standard

When it comes to an antivirus that does a great job even when you’re offline rely on Kaspersky.
Free trial Visit Website

McAfee Antivirus Plus – Great offline update feature

McAfee is amongst the best internet security software for Windows 10 and its particular characteristic is that it has an offline updates feature.

To update offline, simply download the DAT executable file from the website, run it and follow the instructions written on the screen.

McAfee is popular for providing protection for a variety of online threats by using complex technology. In addition, it also comes with a secure Wi-Fi connection.

Check out its top features below:

  • File encryption for enhanced data security
  • Built-in secure VPN for protecting your identity online
  • File shredder included
  • Wi-Fi scanning and protection

Besides basic antivirus protection, it also provides lost wallet protection, personal data cleanup, and identity theft coverage.

With multi-device security, you will never worry that any of your data might be leaked or your banking accounts might be accessed.

McAfee Antivirus Plus 

Trust this amazing tool with high-quality features to protect your Windows 10 PC.
Free trial Visit Website

F-Secure Safe – Great trojan protection

This security software is the best for browser protection and also has one of the best antiviruses for Windows. It is compatible with Window OS.

It can protect your devices from ransomware, Trojans, and viruses and keeps all banking connections secured.

The F-Secure download page contains definition downloads for Windows and a rescue CD update. Hence, download the fsdbupdate9.exe which is under the manual update using fsdbupdate: Windows heading.

After downloading it, run the executable file to update spyware, antivirus, spam, and parental control definitions.

Take a look at some of F-Secure’s top features below:

  • 30 years of experience in making security products
  • Protection against viruses, spyware, infected email attachments, and other malware
  • Automatic updates and real-time response
  • Advanced malware removal technology

F-Secure comes with plenty of features to increase your privacy. Virtual locations when browsing the web, tracking protection, as well as a personal VPN, are just some of them

More important, a kill switch is exactly what you need to prevent accidental leakage of your data during momentary VPN outages.


Online or offline, F-Secure will make sure it’s updated to counter the latest threats.
Free trial Visit Website

Comodo Antivirus – Great effectiveness against threats

This is certainly one of the best free antivirus programs available. It has a proprietary Defense+ technology that usually assumes an unknown file is a potential threat which makes it almost 100% effective.

A lot of antivirus programs assume unknown files are safe and only get concerned about files that have proven to be a problem.

Always, check the Summary date for the last update. If you want to update Comodo, it is ideal to boot your PC in safe mode before you proceed.

Check out its top features below:

  • Patented Auto Containment
  • Comodo File Reputation Lookup
  • Host Intrusion Prevention System
  • Virus Scope Behavior Analyzer

Comodo Antivirus can be easily updated offline via an external device such as a USB or external drive. Just download the latest virus definitions and install them on the computer with Comodo.

Comodo is a great antivirus with a wide variety of features for businesses and individuals that want excellent protection against viruses.

Get Comodo Antivirus

Clam Antivirus (ClamAV) – Great cross-platform security

ClamAV is free cross-platform and open-source software that effectively updates offline. This Antivirus software can easily detect different types of malicious software, including viruses.

It is mostly used on mail servers as a server-side email virus scanner.

Clam antivirus contains two definition files you can download, although the main.cvd is updated far less frequently than the daily.cvd, which is a more important download.

Consider some of ClamAV’s top features:

  • Open-source
  • Good anti-malware protection
  • Command line interface
  • Customization and additions are possible

ClamAV has great uses in malware analysis, malware detection and scanning. It targets the general public, malware analysts and system administrators.

ClamAV uses several anti-virus databases containing fingerprints of malware samples. Each scanning utility works with this set of databases.

⇒ Get ClamAV

Trend Micro Maximum Security – Good for multiple devices

This security software is the best choice for families who need to protect different types of devices because it’s compatible with Windows OS. It enables an offline update.

On the download page, there are several pattern files displayed, however, the consumer pattern at the topmost is all that is required to update your antivirus definitions.

Review of its most important features:

  • Protects and manages passwords
  • Keeps your children safe on the internet
  • Maintains a safeguard against internet and email scams
  • Includes Advanced AI learning

It protects all your connections and blocks viruses, spyware, and other malicious software to keep you from surfing the web and working online.

Prevent cybercriminals from holding your data hostage. Protect yourself against the latest ransomware that can encrypt your data until you pay the bad guys.

Get TrendMicro

How do I scan for viruses offline?

Just open your antivirus, select scan now and it should start scanning whether you are online or offline. If it doesn’t work and you must have an active internet connection, you should know that you are not completely protected against threats when offline.

Whether you are connected to the internet or not, your antivirus must protect your computer with full capabilities. If you are always moving and working offline, you might want to consider an antivirus that can provide real-time protection even when offline.

Below we talk about some security software that receives virus definitions updates when offline so wherever you are, your antivirus will always be prepared for the newest threats.

In conclusion, pick your favorite antivirus tools with offline update features and enjoy the complex protection of your device. You can download the updated signatures and run them offline.

If you use your e-mail for business communication, check out our list including the best e-mail scanning software tools.

Do share with us any antivirus with an offline update that we failed to mention by dropping a comment in the dedicated section below.

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