Avast Free Antivirus
Your top-rated defense against malware and online scams
Boost your PC's protection against cyberthreats and web-based scams.
Check suspicious messages or offers with our new AI-powered Avast Assistant. Do it all with Avast Free Antivirus.
Check suspicious messages or offers with our new AI-powered Avast Assistant. Do it all with Avast Free Antivirus.
December 2023
Top Product
Top Product
January 2025
Top Rated Product 2024
Top Rated Product 2024
Millions of people chose Avast Free Antivirus to get:
AI-powered anti-scam protection
Defense against online scams
Safer browsing and emailing
Easy-to-use software
January 2025
Top Rated Product 2025
Top Rated Product 2025
Get it for free!
Free download
Free download
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Get much more than just free antivirus software
To keep you safer online, Avast Free Antivirus also provides you:
Anti-scam support via smart AI
We use AI technology to help you block risky website links in your web browser. Our Avast Assistant also gives you guidance about potential scams in seconds.
A fast way to boost digital security
It only takes a moment to install Avast Free Antivirus. Once it’s done, it’ll run quietly in the background, protecting you against viruses and other malware in real time, 24/7.
Wi-Fi network security
Connect safely to any Wi-Fi network, even unsecured public networks, plus see who’s using your home Wi-Fi and block any intruders with a click.
Protection against ransomware
Protect your information. Don't let your personal photos, files, and documents fall victim to hackers using ransomware.
What’s inside the latest version?
Get a beautifully intuitive interface, advanced application protection, and a new passive mode for running multiple security software programs in parallel — and a little something for you gamers and movie buffs. You can also find out more below about our protection and guidance against online scams.
Browse and email in peace, supported by clever AI
Our AI-powered Web Guard not only helps you block malware. It also boosts your security against hidden scams and websites trying to steal your money or info.
Why not use our anti-scam AI assistant too?
If you suspect an online offer or message seems off, our Avast Assistant can help you identify if it’s a scam. It gives you easy-to-read guidance fast.
Why not use our anti-scam AI assistant too?
If you suspect an online offer or message seems off, our Avast Assistant can help you identify if it’s a scam. It gives you easy-to-read guidance fast.
Your game or movie time is now uninterrupted
We’ve renamed Game Mode and taught it some extra tricks. Now called Do Not Disturb Mode, it blocks distracting pop-ups whether you’re gaming, watching movies, or presenting in full-screen mode.
Introducing Behavior Shield
We don’t just check your applications for malware. We now keep an eye on their behavior to make sure they don’t suddenly go rogue.
Easy to install, effortless to use
Our antivirus software scans for security and performance issues and helps you to fix them instantly. It also protects you in real time by analyzing unknown files before they reach your desktop PC or laptop — all for free.
You may still be wondering...
How to install
Get protected right away by following these 3 easy steps:
Step 2
2. Open the file
Open the downloaded file and approve the installation.
Step 3
3. Install the file
Run the installer and follow the simple instructions.
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