Our most advanced protection is your lightest, toughest defense against viruses, ransomware, malware, zero-day threats, home Wi-Fi network vulnerabilities, and more.

Get Protected

Avast SecureLine VPN

Choose a VPN for true online privacy

Avast SecureLine VPN

Choose a VPN for true online privacy

Advertisers tracking your every move, content blockers making it difficult to view your favorite sites, and hackers diving into your search history and bank accounts on free public Wi-Fi are blocked with Avast’s Virtual Private Network (VPN).

Discover VPN

Read the latest stories and advice for a safer digital life

How to Clear Your Browser Cookies

Cookies are the internet’s critters, responsible for tracking you, your habits, and some of the most annoying messages the web has ever faced. In this guide, we show you what cookies are, how many types you're dealing with, as well as how to delete and manage them effectively to protect your privacy.

How to Choose the Best Password Manager

Learn everything you need to know about the security features and usability of password managers.

How to Clean Up Your Android Phone

Every phone will slow down and fill up with unnecessary files over time. That’s why you should give your Android phone a good and thorough cleanup. In this article, we’ll show you how.

The Essential Guide: How to Clean Up Your Computer

Never done a PC cleanup? Random files and unused programs are taking up your storage space if not. In this article, we’ll guide you through the easiest and most thorough computer cleanup ever. We’ll help you get rid of junk data, unneeded software, and hidden files. Keep reading to learn how to clean up your computer and keep it running lean.

What is a Smart Home?

Technology has changed everything about the world — and nothing better represents our ceaseless advancement towards the future than Smart Home technology, which is becoming increasingly common and powerful with every passing day. But what is a smart home? What benefits does it provide? And how can you get one for yourself? Avast has your answers.

How to Increase Your Internet Speed... Right Now!

Subpar download speeds, websites loading super slowly (or not at all), lagging online gameplay, and videos that won’t stop buffering: all signs of a slow internet connection! Let’s fix that slow internet by optimizing your network, your Wi-Fi, and your Ethernet.

How to Speed Up Your PC

Remember how fast your PC ran when you first got it? Has it become all sluggish and slow as molasses? Don’t worry — we’ll help you boost your old Windows 7 or Windows 10 computer and get it running just like new.

The Essential Guide to Ransomware

A ransomware attack can result in the loss of important personal and business-critical data. To keep your devices and files safe from this prevalent threat, you should understand what you’re up against. Read on for a definition of ransomware that will help you take the proper precautions to keep your files safe. Don’t give ransomware the chance to infect your devices.

How to Watch TV Online

Broadcast and cable TV are so last century. More people than ever are learning how to watch TV online. You can view your favorite programs on your computer desktop, game console, or mobile device. Also, when you get TV online, you can use a VPN to stream programming from nearly any place in the world. Best of all: It’s simple to do.

How Do I Remove Ask Toolbar?

Increasingly recognized as malware, the Ask toolbar is a search tool that is regularly bundled and offered along with other products during installation. The Ask toolbar changes your browser homepage and replaces your default search engine without permission.

How to Overclock Your GPU to Boost Your Games’ FPS

There’s nothing more depressing than starting a brand new game on launch day, only to suffer through constant stuttering or poor quality. If your games run at lower FPS or your multimedia apps run slow, don’t fiddle with lower settings and make sacrifices just yet. Instead, try pushing it to its absolute limit. Enter GPU overclocking.

Protect Yourself from Cryptojacking

Is your computer secretly being used for cryptomining? It’s staggering to realize that Bitcoin, the very first cryptocurrency, splashed onto the scene almost a decade ago. It’s only been over this past year that digital coinage has really gained its tremendous popularity.

Keeping people safe & secure around the world

Using real-time intelligence from over 400 million Avast users, we prevent more than 66 million threats every day.

0M+

people trust Avast

START WITH FREE PROTECTION

Also available for: Android, iOS, Mac

START WITH FREE PROTECTION

Also available for: iOS, Android, PC

START WITH FREE PROTECTION

Also available for: PC, Mac, iOS

START WITH FREE PROTECTION

Also available for: PC, Mac, iOS

START WITH FREE PROTECTION

Also available for: Mac, PC, Android

START WITH FREE PROTECTION

Also available for: Android, iOS, Mac

START WITH FREE PROTECTION

Also available for: Android, iOS, Mac

0M+

threats blocked every day

Free antivirus is your first step to online freedom

Creating a safer world

Personal online protection everywhere you go

Simple solutions for business’s biggest security problems

Protecting the customers of global operators

Complete protection for all your devices

Complete protection for all your devices

Choose a VPN for true online privacy

Choose a VPN for true online privacy

Read the latest stories and advice for a safer digital life

How to Clear Your Browser Cookies

How to Choose the Best Password Manager

How to Clean Up Your Android Phone

The Essential Guide: How to Clean Up Your Computer

What is a Smart Home?

How to Increase Your Internet Speed... Right Now!

How to Speed Up Your PC

The Essential Guide to Ransomware

How to Watch TV Online

How Do I Remove Ask Toolbar?

How to Overclock Your GPU to Boost Your Games’ FPS

Protect Yourself from Cryptojacking

Keeping people safe & secure around the world

Run the Avast installer

Confirm the installation

Follow setup instructions

Run the Avast installer

Confirm the installation

Follow setup instructions

Run the Avast installer

Confirm the installation

Follow setup instructions

For Home

For Business

For Partners

For Partners

Company

AMERICAS

EUROPE, MIDDLE EAST & AFRICA

ASIA & PACIFIC

Free antivirus is your first step to online freedom

Creating a safer world

Personal online protection everywhere you go

Simple solutions for business’s biggest security problems

Protecting the customers of global operators

Complete protection for all your devices

Complete protection for all your devices

Choose a VPN for true online privacy

Choose a VPN for true online privacy

Read the latest stories and advice for a safer digital life

How to Clear Your Browser Cookies

How to Choose the Best Password Manager

How to Clean Up Your Android Phone

The Essential Guide: How to Clean Up Your Computer

What is a Smart Home?

How to Increase Your Internet Speed... Right Now!

How to Speed Up Your PC

The Essential Guide to Ransomware

How to Watch TV Online

How Do I Remove Ask Toolbar?

How to Overclock Your GPU to Boost Your Games’ FPS

Protect Yourself from Cryptojacking

Keeping people safe & secure around the world

Almost done!

Run the Avast installer

Confirm the installation

Follow setup instructions

Follow these steps to complete your Avast installation:

Run the Avast installer

Confirm the installation

Follow setup instructions

Almost done!

Run the Avast installer

Confirm the installation

Follow setup instructions

For Home

For Business

For Partners

For Partners

Company

AMERICAS

EUROPE, MIDDLE EAST & AFRICA

ASIA & PACIFIC