Avast. The world's #1 antivirus.

With more than 230 million users, Avast is the most trusted security & antivirus in the world. You are now just a few clicks away from protecting your PC for free.

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Only Avast has Home Network Security

For the first time ever, you can protect your home network devices, such as routers and wireless devices, from hacker attacks.

More exciting features

Avast Browser Cleanup

Browser Cleanup

Remove annoying browser toolbars or extensions, and restore your hijacked search browser.

Avast Software Updater

Software Updater

Easily update your important software to increase the overall security and condition of your PC.

Avast Remote Assistance

Remote Assistance

Remote Assistance lets you help or be helped over the Internet.

Select the right level of protection for your PC


Free Antivirus


Internet Security



  Avast Free Antivirus Avast Internet Security Avast Premier
Free download Download Download
Intelligent antivirus & anti-malware Detects threats no one has even heard of yet. yes yes yes yes
Home Network Security Scan your home network for weak spots. yes yes yes yes
Browser Cleanup Get rid of annoying browser add-ons. yes yes yes yes
Pay & bank online. Safely. Prevent your logins and passwords from theft.   yes yes yes
Anti-hijack protection Log in to your real banking site, not a fake one.   yes yes yes
Silent Firewall Shield your computer from hackers.     yes yes
Anti-spam Keeping your inbox junk-free feels good.     yes yes
Automatic patching of security holes Reduces the risk of your apps getting hacked. A lot.       yes
Prevent misuse of your private data Deleting is not enough. Start shredding instead!       yes
Free download Download Download

cNet#1 downloaded

Amazon#1 best seller

AV comparativesTop Rated Performance,
May 2015

SoftpediaOfficial Download Partner

There’s something free for everyone

Free isn’t just the price of our security; it’s how you feel when your PCs, Androids, and Macs are protected by the most trusted security in the world.

Products for home

For home

More people choose our PC and Mac security products over any other.

Products for mobile

For mobile

You run your life on your mobile devices. Avast will keep you safe on the go.

Products for mobileNEW

For business

Whether you are an enterprise or a start‑up, make sure you're covered.

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