Nitro - we're moving on up, into the Cloud

The new Nitro Update for Avast antivirus is our most lightweight software yet. From now on, we'll be running a significant portion of our analysis in the Cloud - and not on your system where it can slow you down.

Antivirus with the lowest impact on PC performance

Introducing CyberCapture

Stay one step ahead of evolving cyber threats. This proprietary cutting-edge technology captures unknown files and sends them to the Avast Threat Labs for real-time analysis to keep you safe.

Security for your Internet of Things

Your home is your castle. So why invite hackers in to stay? The Avast Nitro Update delivers a new level of router threat detection so you can protect the devices around your home.

Find Out More Here

Plenty of features. No extra weight.

The Avast Nitro Update is designed to have less drag on your system so you can stay fast and productive, and safe at the same time.

Antivirus and anti-malware

Protect yourself against threats that don’t even exist yet.

NEWCyberCapture

Captures emerging threats in real-time through the Avast Threat Labs.

Home Network Security

Stop hackers getting hold of your home network – and anything on it.

Browser Cleanup

Who needs unwanted toolbars and extensions slowing down their PC?

NEWSafeZone Browser

Browse, bank, or shop — with extra protection from hackers and online ads.

Smart Scan

Give your PC the ultimate all-in-one scan, all in one go.

Choose your Nitro-powered protection

Avast Free Antivirus Avast Pro Antivirus Avast Internet Security Avast Premier
Free Antivirus Essential
Pro Antivirus Expert
Internet Security Advanced
Premier Complete
FREE DOWNLOAD Download Download

Free 30-day trial

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Free 30-day trial

Stop anything nasty Detect viruses, malware and more, plus strengthen your home network. yes yes yes yes
NEWCapture emerging threats Real-time analysis of unknown files, so viruses can’t take you by surprise. yes yes yes yes
Reclaim your browser Get rid of unwanted extensions and hackers making money off your searches. yes yes yes yes
Forget your passwords Almost. Log in anywhere with just one. We’ll make it unbreakable. 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
* Anti-spam is available as a separate, free download. FREE DOWNLOAD Download Download

Free 30-day trial

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Free 30-day trial

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Compatible with Windows 10, 8.1, 8, 7, Vista, XP SP3

The people have spoken

And we want to hear from you, too. After all, you’re the reason we’re here.

Avast Free Antivirus
5

It is very effective and easy to use, recommended.

Avast Free Antivirus
5

The best free antivirus

Avast Free Antivirus
5

I've been using it for years and it works quite well

Avast Free Antivirus
5

I had a very good experience, it always kept my pc clean. I am very grateful for that and I hope you continue to offer the best to the user who needs you.

Avast Free Antivirus
5

absolutely useful and needed for the devices I have.

Avast Free Antivirus
5

until now we do not have any complaints. Greetings

Avast Free Antivirus
5

It seems perfect to me, I recommend it 100%

Avast Free Antivirus
5

Easy to download and use

Avast Free Antivirus
5

This antivirus protects my pc, I appreciate that

Avast Free Antivirus
5

It fixed everything quickly

Avast Free Antivirus
5

I like it because it really protects the computer and is constantly updated.

Avast Free Antivirus
5

I like how it protects my computer

Avast Free Antivirus
4

No complaints

Avast Free Antivirus
5

It's great

Avast Free Antivirus
5

simply it is the best

Avast Free Antivirus
5

Super fast in solving problems

Avast Free Antivirus
5

Sincerely great!!!

Avast Free Antivirus
5

protection is provided and it is user friendly

Avast Free Antivirus
5

It gave me security

Avast Free Antivirus
5

It is simple and effective

Avast Free Antivirus
5

It is free and works very well

The world’s number one security

people protected worldwide

400 M

The most downloaded software

The best-selling security software

Antivirus with the lowest impact on PC performance

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