Protect your Windows 8 PC with Avast Free Antivirus

Antivirus with more than 435 million users protects Windows 8 PCs

Our users love Avast Free Antivirus for Windows 8

6 207 people scored us 4.7/5

Get the most out of Windows 8

Use Avast to get great performance from your Windows 8 PC. Not only is there almost no impact on your PC's speed, but you can hurry things up even further with advanced features like Cleanup and Browser Cleanup.

Protect your Windows 8 PC against malware

AV Comparatives has successfully tested Avast against malware on Windows 8 and showed it provided 100% protection against 0-day malware attacks.

Approved antivirus for Windows 8

Avast is Windows 8's official consumer security software provider – yet another reason why more than 435 million users trust Avast.

System Requirements

Avast’s protection is powerful and light. All you need is a PC with 256 MB+ RAM and 1.5 GB of hard disk space. If your Windows 8 PC has that (which it very likely should), you’ll be good to go.

Avast Antivirus is compatible with Windows 11, 10, 8.1, 8, 7, Vista, XP SP3

Avast also offers you security solutions for your Android and Mac

The people have spoken

It's clean, easy, and works.

R.

It's very easy program

Migena

easy to used < its the best

wael

I love Avast, I have used it for at least 5 years or maybe more. will continue to do so

Terrie

easy to used < its the best

wael

easy to use and download

Tommy

I love that it protects my computer, cell phone, and even my iPod. And I only have to have one account! Super easy

Anna

Years and years using this software, I like it and lots of friends and family are using it too. If your computer is infected it goes straight to the base of your O.S. and kill the virus. Love it !

Coke

It is the best antivirus on the market. Very efficient and easy to use. Would definitely use again and again.

Kimberly

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How to install Avast Antivirus for Windows 8

It’s easy to start protecting your PC or laptop against viruses and malware with the latest version of Avast antivirus for Windows 8.
Just follow these easy steps:

Download the installer by clicking here.
Right-click the installer and click “run as administrator”.
Click “Install”.
When the progress bar vanishes, your device is protected.

And that's it! Your device is now secure.

FAQ

Does Windows 8 need an antivirus?

Windows 8 already has an antivirus, Windows Defender, built-in. However, it is widely accepted that Windows Defender is not the best Windows 8 antivirus out there. There’s not enough protection from Windows Defender to keep your data safe. It is highly recommended that you switch to a third-party antivirus to keep your PC secure from threats and malware.

How do you check for viruses on Windows 8?

You need a virus scanner and removal tool in order to check for viruses on Windows 8. With Avast Antivirus for Windows 8, you can automatically scan your system for viruses, and remove them. However, any virus scanner and removal tool, assuming it’s reputable, can do the job.

How do I enable antivirus on Windows 8?

If you’re using Windows Defender, you don’t have to do anything: it’s automatically enabled. However, if you want to set up a third-party antivirus, like Avast Antivirus on Windows 8, then you should follow these simple steps:

Download the antivirus software of your choice
Double-click the file when it’s finished downloading
Run the installation wizard and follow the instructions
Once the installation wizard is complete, open the newly-installed app

What makes Avast one of the best free antivirus for Windows 8?

Avast Antivirus for Windows is one of the best Windows antiviruses by far due to our powerful security and comprehensive list of additional features. We use six layers of security to ensure you have protection from 0-day threats, we can remove spyware on Windows 8, and we even have adware removal tools. Best of all, we’re absolutely free, so you can download and install our protection without paying anything.