10+ best antiviruses with offline updates [2021 Guide]

by Ivan Jenic
Ivan Jenic
Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and... read more
Affiliate Disclosure
  • 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 like the one from Eset.
  • 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
ESET Antivirus comes with all the security tools that you may ever need to protect your data and privacy, including:

  • Anti-theft support
  • Webcam protection
  • Intuitive setup and UI
  • Multi-platform support
  • Banking-level encryption
  • Low system requirements
  • Advanced anti-malware protection

An antivirus program needs to be fast, efficient, and cost-effective, and this one has them all.

Antivirus signatures need to be up to date in order 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 the 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 whenever necessary.

This article will cover offline antivirus software that doesn’t need constant Internet connectivity in order 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.

What is the best antivirus with offline updates?

ESET Internet Security

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 antivirus.

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 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
  • Easy license sharing
ESET Internet Security

ESET Internet Security

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

Free trialVisit website

Avast Free Antivirus

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 update 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
Avast Free Antivirus

Avast Free Antivirus

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

Free downloadVisit website


avira for cryptocurrency

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 that 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
  • Built-in tune-up and cleaning tools
  • Performance and speed booster for your PC
  • Password protection for advanced privacy
  • Phishing and ransomware advanced protection


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

Bitdefender Total 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 the 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
  • Dedicated modes for gaming and working
Bitdefender Total Security

Bitdefender Total Security

Trust this antivirus software built on advanced technology for real time security even on a slow PC.

Free trialVisit website

Vipre Antivirus Plus

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.

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.

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

  • Automatic updates and maintenance
  • Malware, spyware, and ransomware detection and removal
  • Free US-based tech support
  • Anti-spam protects against phishing and other email exploits
  • Webcam and microphone blocker
Vipre Antivirus Plus

Vipre Antivirus Plus

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

Free trialVisit website

Kaspersky Internet Security

Kaspersky Internet Security is very good and compatible with the 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 an anti-malware security suitable to detect viruses before they infect your PC.

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 definitions to download.

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

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
Kaspersky Internet Security

Kaspersky Internet Security

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

Free trialVisit website

AVG Internet Security

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AVG Internet Security software is an all in one package. It is very compatible with the Windows OS and can effectively work offline.

AVG has different update files for the free antivirus and their paid products. Download the Bin file, open the AVG main program, click on the options menu, and then update from Directory.

On the download page, there are module files that can also update the AVG scanning engine or all of the components of the program while offline.

Let’s see what are the key features for this solution:

  • Advanced antivirus scans for all threats, including viruses, ransomware, spyware, rootkits, Trojans and more
  • Email Shield for web and e-mail protection
  • Enhanced firewall with ransomware protection
  • Webcam and privacy protection
  • Easy to install and use
AVG Internet Security

AVG Internet Security

Don’t miss out on this antivirus tool that optimizes your PC so you can enjoy great speeds in absolute safety.

Free trialVisit website

McAfee Antivirus Plus

McAfee is amongst the best internet security software for Windows10 and of its particular characteristics 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
  • Multi-faceted protection
  • Built-in secure VPN for protecting your identity online
  • File shredder included
  • Wi-Fi scanning and protection
McAfee Antivirus Plus 

McAfee Antivirus Plus 

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

Free trialVisit website

F-Secure Safe

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 connection secured.

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
  • Online banking protection


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

Free trialVisit website

ClamWin Free Antivirus Software

Another antivirus software that can be updated offline is ClamWin. In addition, it is compatible with the Windows OS. ClamWin antivirus contains two definition files that can be downloaded.

The daily.cvd file is frequently updated; unlike the main.cvd file. Download the daily file, and then put it in the following default folder for Windows OS.

Get ClamWin

Comodo Antivirus

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.

Get Comodo Antivirus

Clam Antivirus (ClamAV)

ClamAV is a 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.

Get ClamAV

Trend Micro Maximum Security

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.

Get TrendMicro


Topping off our list is a software tool that manages to provide the maximum amount of online and offline protection against malware with a minimum of effort.

BullGuard is a great software solution that protects against ransomware, crypto-jacking, and more.

Protection is provided in real-time, and the scanning capability of the antivirus can be switched between fast and a more in-depth option.

Of course, the great news about BullGuard is that it is not an antivirus tool that depended on the online environment in order to work.

In keeping with the theme of this article, BullGuard also benefits from offline updates that you can download and install at a later date manually.

Let’s take a look at BullGuard’s top features:

  • Parental control features for blocking unwanted content
  • Checks the authenticity of applications and drivers by crosschecking their signatures
  • Simple and friendly interface
  • Home Network Scanner continuously monitors your Internet connection
  • Advanced identity protection

Get Bullguard

In conclusion, pick your favorite antivirus tools with offline update features and enjoy the complex protection of your device. You can download the update signatures and run them while 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 which we failed to mention by dropping a comment in the dedicated section below.

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