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Avast

Download free antivirus software forWindows 10 PC or laptop

Keep your PC or laptop safer from viruses and other malware. Boost your home Wi-Fi security. Help stop ransomware attacks. Download today and join millions of others. Get Avast Free Antivirus for Windows 10.
Also available forMac,Android, andiOS
2021
Editors' Choice
2022
Top Rated Product
2023
Top Product
2023
Best Free Anti-Malware
2022
Top Rated Product
Get a free, award-winning Windows 10 antivirus
Free download
Award-winning free antivirus
Easy to install and simple to use
Wi-Fi network security
30+ years of protecting our users

You get more than just Windows 10 antivirus

As we increasingly live our lives online, threats to our security and privacy have become more sophisticated. That’s why we’ve included some advanced tools alongside our powerful antivirus software for Windows 10.

Get protection that goes above and beyond
Windows 10 provides very basic protection but adding Avast’s antivirus software gives you powerful real-time protection against viruses and other malware, and it even includes advanced features, like homeWi-Fi security — all completely free.
Safely shop, bank, and browse
Keep your sensitive, personal, and financial information private and secure. Get alerts and block potentially fake ormalicious websites, programs, and applications to help ensure nobody is stealing your data or infecting your PC or laptop with malware.
Stop ransomware attacks
Keep your sensitive information safe and for your eyes only. Secure your personal photos, files, and documents sohackers can’t access them, lock them, change them, or hold them hostage inransomware attacks.
Easy to install, effortless to use
Installing Avast Free Antivirus for Windows 10 just takes moments, and it’s simple to use.

Clear interfaces and settings allow you to set and automate your security, so it’s always running quietly in the background, protecting you in real time, 24/7. And it’s always free — so give it a try now.

You can rely on Avast to protect you

Here’s why Avast is one of the most trusted, reliable, and experienced cybersecurity experts in the world.

Award-winning protection
We’re proud to offer our users world-class protection against cyberthreats, supported by the many awards our antivirus has earned.
Hundreds of millions of users
Our vast global user base means we have the largest threat detection network in the industry — so we catch new threats fast.
30+ years of experience
When it comes to creating an antivirus that protects you from all angles — we know exactly what it takes.

It’s free forever

Get freevirus protection for Windows 10, plus protection against other types ofmalware. We offer extra security features such as behavior shield, remote assistance,browser cleaning and more — yep, you guessed it — completely free.

Around-the-world, around-the-clock protection

We’re proud to protect millions of Windows PCs and laptops with our antivirus software. Our experts work 24/7 to keep you safe from virus attacks and other cybersecurity threats.

6.3 billion virus attacks prevented against Windows 10 PCs and laptops:

6.3 billion virus attacks prevented against Windows 10 PCs and laptops:

Check out these 5-star reviews from our customers:

I have used Avast™ for many years. The reason is very simple. You offer a great free version that actually works. This lets me afford the other amazing service's you offer when needed like Avast™ clean-up.
James M.
29 Aug 2023
5
I had recommended Avast™ to a co-working friend because he said his computer was running slow. He said he ran the anti-virus twice and his computer speed improved.
Michael S.
28 Aug 2023
4
Avast™ free antivirus does what it is supposed to do without much fuss. Though I would prefer fewer popups.
Joshua W.
25 Sep 2023
4
“...earns excellent scores in our hands-on tests and independent lab tests...it offers much more than many competing commercial products...”
“Awarded Outstanding Security Product 2021 by AV-Comparatives.”
Avast Free Antivirus
Find and fix security issues with Windows fast
Avast’s antivirus scans for security and performance issues and helps you to fix them instantly. It also protects you in real time by analyzing unknown files long before they reach your Windows 10 PC. And it’s free — so give it a try.
Free download
Also available forMac,Android, andiOS

Already have Avast? We’ve got you covered

If you’re planning on upgrading from older versions of Windows, such asXP,Vista,7,8 or8.1, we’re ready to keep your new Windows 10 PC virus-free.

Just make sure you’re running the latest version of Avast before you upgrade your machine. The same process applies if you're upgrading toWindows 11.

You may still be wondering...

FAQs

Download our award-winning,free antivirus for Windows 10. Avast Free Antivirus protects you against all types of malware, including viruses and ransomware. For complete online privacy, use ourVPN for Windows 10.
Windows 10’s built-in security is basic and oftentimes insufficient to protect you from every online threat. However, Avast Free Antivirus is more than equal to the task, and can offer your PC or laptop full protection without compromising performance. Additionally, we offer features that your built-in protection simply doesn’t have, such asransomware removal andadvanced rootkit scanning.
No.Hackers and malware programmers become intimately familiar with built-in antivirus software, like Windows Defender, and they design their programs to work around them. Additionally, the built-in software gets updated less frequently than dedicated antivirus software, so it can’t protect you from thelatest online threats. While it will offer protection from certain dangers, thelimitations of Windows Defender means that for top-of-the-line, full protection, you need Avast.
Not at all. Avast’stop-rated Windows antivirus is designed from the ground up to be lightweight and accessible, and to protect your PC without leaving so much as a dent in your computer’s performance. Just install it andenjoy a PC free from malware and other threats.
Ensure you upgrade Avast Free Antivirus to the latest version and restart your system after the upgrade. To upgrade, follow the steps inthis article. Multiple reboots may sometimes be necessary on some systems.
Findingthe best free antivirus for Windows is ultimately down to your personal choice. But Avast Free Antivirus could be ideal if you’re looking for free, award-winning cyberthreat protection that gives you handy extra security features too.

Our free app can help secure your home Wi-Fi and connected devices. It also gives you safer everyday online browsing and emailing. Plus, it can help monitor app behavior on your PC or laptop for malware-related activity, identify an issue, 
and deal with it.
Visit ourSupport Center for more FAQs

How to install

To help protect your Windows PC or laptop, follow these 3 easy steps:
Step 1
1. Download our app
Step 2
2. Open the file
Step 3
3. Install the file
Run the installer and follow the simple instructions.

System requirements

Windows 10 and Windows 11 compatible
PC withWindows 11,10,8.1,8, or7 (both the 32 and 64-bit versions, excluding Starter and RT editions), 1 GB RAM and 2 GB of hard disk space. ARM chips Windows 11 only.
Mac running macOS 10.13 (High Sierra) or later.
Android phone or tablet running operating system Google Android 8 (Oreo, API 26) or higher.
iPhone or iPad running iOS 14 or higher.

You might be also interested in...

Sometimes you just need an individual tool for an individual purpose. Learn more about some of our privacy tools, below.

Free
Avast Secure Browser
Secure, private, and easy to use. A faster, free browser for all your devices.
Learn more
Avast AntiTrack
Get advertisers off your back. Disguise your online identity for greater privacy.
Learn more
Popular
Avast SecureLine VPN
Encrypts your internet connection with a click of a button for true online privacy.
Learn more

Get security tips and advice straight from the experts

Read more at Avast Academy
The Ultimate Guide to Identity Theft
Identity theft is a growing threat in our interconnected digital world. Learn what identity theft is, what the warning signs are, and how to prevent it.
Learn more
How to Protect Yourself From Identity Theft
Identity theft is a devastating crime that can turn your world, and your finances, upside down. Find out how you can take steps to protect your identity here.
Learn more
How to Report Identity Theft
How do you report identity theft? If you think your identity has been stolen, find out how to report it to the FTC, the police, or the government.
Learn more
How to Remove Personal Information From the Internet
What is personal information and how does it get online? Learn how to find and remove personal information from the internet.
Learn more
What Is the Dark Web and How to Access It?
The dark web isn't indexed by search engines. Learn how to access the dark web with Tor browser & get black net safety tips.
Learn more
Everything You Need to Know About Dark Web Scanning
Worried your information has landed on the dark web? Learn about dark web scanners and what you can do if your email is found on the dark web.
Learn more
How to Change Your Privacy Settings on Facebook
Learn how to manage your privacy settings on Facebook. Set who can see your timeline and how Facebook can use your personal information.
Learn more
What Is Doxxing, Is Doxxing Illegal, and How Do You Prevent or Report It?
Doxxing, or doxing, is the release of someone's personal info without their consent. Find out how doxxing works and how to prevent it.
Learn more
Home Title Theft – What You Need to Know
Find out everything you need to know about home title theft, including how to identify it and protect yourself against fraud and insurance scams.
Learn more
What Does Google Do With Your Data?
Ever wondered what Google does with the data it collects on you? We've unpacked Google's privacy policy here.
Learn more
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Note: If your download did not start automatically, pleaseclick here.
Need Help? Please call 855-745-3255
Click this file to start installing Avast.
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Complete installation by clicking your downloaded file and following the instructions.
Initiating download...
Note: If your download did not start automatically, pleaseclick here.
Need Help? Please call 855-745-3255
Click this file to start installing Avast.
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