Need to protect your PC with Windows?

Avast is the most-trusted antivirus brand globally. We protect over 200 million PCs, Macs, and Android devices - more than any other brand. Download your Avast today.

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Three levels of protection

Avast Free Antivirus Avast Pro Antivirus Avast Internet Security Avast Premier
Free Antivirus Essential
Pro Antivirus Expert
Internet Security Advanced
Premier Complete
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Stop anything nasty Detect viruses, malware and more, plus strengthen your home network. yes yes yes yes
NEWForget your passwords Almost. Log in anywhere with just one. We’ll make it unbreakable. yes yes yes yes
Reclaim your browser Get rid of unwanted extensions and hackers making money off your searches. yes yes yes yes
Spot fakes Make sure the banking site you’re visiting is the one you think it is.   yes yes yes
Shop till you drop Not till someone steals your details.   yes yes yes
Shield your privacy Stop anyone and everyone from getting to your computer.     yes yes
Avoid spam at all costs Keep your inbox clean, lean, and organized.     yes yes
Beat hackers – automatically Update your software without even thinking about it.       yes
Shred before you sell Or lend or repair. Deleting doesn’t get rid of files for good.       yes
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The most popular antivirus family!

Millions and millions of desktop and mobile devices protected

Now that we protect around 200 million active devices on all inhabited continents, we are thinking of how to expand to Antarctica. Negotiations with local penguins are underway.

Over a quarter century of computer security that works

In 2013, Avast celebrated 25 years of success. In all that we do, we’re committed to earning our customers’ satisfaction and trust. And our customers’ loyalty gives us motivation to innovate and drive security to new levels. Should Avast ever not meet your expectations, remember that all our products and services come with a 30-day, no-question, money-back guarantee.

Experts frequently certify and award us

We hate bragging, but we can see you insist! We get awarded and certified often, by numerous independent, industry-related organizations and testing agencies. They praise us for the virus detection capabilities of our software, as well as for not slowing down your PC.