Windows 11 antivirus

Malwarebytes Premium: Effective and intuitive security that just works with Windows 11.

With all that potential stress, the last thing you need is to jump through hoops to make sure a cybersecurity threat isn’t hiding in your download. Malwarebytes just works with Windows 11. So, while you’re off hunting for where all your photos went, we’ll be hunting threats and protecting you.

Full protection or simple cleanup?

The free version of Malwarebytes for Windows is great for getting rid of existing infections, but some infections, like ransomware, only need a moment to wreak havoc on your PC. To stop infections before they happen, stay one step ahead with the Real-Time Protection of Malwarebytes Premium.

Malwarebytes FreeMalwarebytes Premium
Cleans up an already infected computer
Protects your identity and privacy from hackersLimited Trialimage-type-cell
Protects your documents, financial files from ransomwareLimited Trial
Protects you from malicious and fake websitesLimited Trial
Stops malware that degrades computer performanceLimited Trial
Crushes malware attacks that corrupt your programs Limited Trialimage-type-cell
Suspends Malwarebytes notifications while you gameLimited Trialimage-type-cell
Brute Force and Uninstall Protection (Windows only)Limited Trialimage-type-cell

Trusted by customers worldwide.

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How to use antivirus for Windows PCs


Step 1 – Install Malwarebytes Premium

Download and install Malwarebytes Premium. Click the “Scan” button and the virus detector quickly scans for viruses.

review-threats image

Step 2 – Review threats

After the online virus scan, Malwarebytes reports on any threats that were found and asks if you want to remove them.


Step 3 – Remove Threats

Once you give the ok, our virus removal tool will clean up threats so your device, files, and privacy are secure.

Don’t take our word for it

“We use Malwarebytes on all of our company computers. Our experience is that Malwarebytes is effective and trouble free.”

‒ Robin G.
Fort Worth, TX

“Malwarebytes provides an extra, invaluable layer protection against malicious data, and that makes me and our systems feel safer!”

‒ Billy H.
Sarasota, FL

“Eliminating hundreds of potential malware and trackers every week for our entire organization.”

‒ Raymond P.
Southfield, MI

Windows 11 FAQ  

When is the Windows 11 release date?

How can I get the Windows 11 upgrade?

 Will I need an antivirus for Windows 11?

Is there a difference between viruses and malware?

 How do I know if my PC has a virus or malware?

Tech specs

OS Requirements

Software requirements

Windows 7 (or higher) (32/64-bit)

Active Internet connection

processor icon

Hardware requirements

800MHz CPU or faster, with SSE2 technology

2048 MB (64-bit OS), 1024 MB (32-bit OS)

250 MB of free hard disk space

1024×768 or higher screen resolution

Language Requirement

Languages supported

Bulgarian, Chinese (Traditional), Czech, Danish, Dutch, English, Finnish, French, German, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Slovak, Slovenian, Spanish, Swedish

Techspecs Versions


Click here to view our full history.

*The anti-ransomware protection component is only available on Windows 7 or higher.

Need support? Visit Malwarebytes for Windows support.

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