In order to view this page correctly, you must have a JavaScript-enabled browser and have JavaScript turned on. We apologize for any inconvenience. Learn how to enable it.

We’re sorry, your browser appears to be outdated.
To see the content of this webpage correctly, please update to the latest version or install a new browser for free, such as Avast Secure Browser or Google Chrome.

Save 50% on Avast One

Back-to-School Sale! Get up to 50% off for a limited time.

More than free antivirus

Avast One is your personal online guardian — combining our award-winning free antivirus with advanced protection that helps you safeguard your privacy, speed up your devices, connect securely, and avoid scams.

Also available for , , and . Also available for , , and . Also available for , , and . Also available for , , and .

Avast One. More than free antivirus.

Avast will help keep you safe online from over one billion threats each month

Over 400 million users worldwide trust Avast with their private information

Avast One is simple to use and can clean, update, and speed up your devices

Protect more of what you love

Avast One premium packages offer you more tools to optimize your digital life, such as unlimited VPN and password protection. Even better, they allow you to protect multiple devices for you and your household.

Try premium risk-free

Looking for a specific product that will fit your needs?

Protect your privacy when you’re online

Stop snoops from seeing your IP Address and online activities with Avast SecureLine VPN.

GET SECURELINE VPN

Go beyond the essentials with advanced security

Stay safe from viruses, ransomware, phishing, and hackers with our award-winning antivirus.

GET Premium security

Keep your devices junk-free and running like new

Clean out junk to free up gigabytes of storage space and speed up your device.

GET Cleanup Premium

All PC products Compare products

For 30 years, we’ve fought for digital freedom for all

Get security, privacy, and performance tips, straight from the experts

Read more at Avast Academy

count: 8

The Essential Guide to Computer Viruses

A computer virus is a type of malware that can spread quickly between computers and other devices. Learn how viruses work and how to protect against them.

What is a VPN & How Does it Work?

What is a VPN? What does it do? How does it work? And how can you use a VPN? Learn all about a VPN's definition and uses in our guide.

How to Increase Your Internet Speed Right Now

Wondering why your internet speed is slow? Learn how to improve your internet connection right now, whether you're on Wi-Fi or Ethernet.

What Is Hacking?

We all have some concept of hacking - but do you really know what it is? Read our full hacking definition here.

The Dark Web Browser: What Is Tor, Is it Safe, and How to Use It

Tor Browser is a tool for anonymous web browsing. Find out how Tor works, if it’s safe, and how to use it on your laptop and mobile device.

How to Start Your Mac in Safe Mode

Booting your Mac in safe mode can help you troubleshoot issues, test hardware, and resolve startup problems. Find out how in this guide.

What Are QR Codes and How Do You Scan Them?

What is a QR code and how does it work? Our QR code guide explains how to scan QR codes on both iPhones and Android devices.

What Is Cryptocurrency and How Does It Work?

Cryptocurrency is a virtual currency secured using cryptography. Read our guide to learn how crypto works and how to avoid crypto scams.

United States (English)

For home

For business

For partners

Mobile Carriers

Company