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What Is a Computer Virus and How Does It Work?

A computer virus is designed to infect programs & files with malicious code, changing how a computer operates and spreading across systems.

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What Is a VPN and How Does It Work?

You can use a VPN connection to protect online privacy and access content. Learn how a VPN works, what VPN means, and the benefits of a VPN.

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Why Is My Internet So Slow & How to Speed It Up

Wondering why your internet is so slow? Learn how to speed up your internet connection & make your download speeds faster.

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What Is Hacking?

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

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What Is the Dark Web and How to Access It?

The dark web isn't indexed by search engines. Learn how to access the dark web with Tor browser & get black net safety tips.

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How to Delete or Deactivate Your Instagram Account

Find out how to permanently delete Instagram or deactivate your account on your phone or computer with this step-by-step guide.

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How to Fix Corrupted Files on Windows Using SFC And DISM

How to fix Windows corrupted system files with commands like SFC scannow and DISM /Online /Cleanup-Image /RestoreHealth.

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How to Identify WhatsApp Scams

Learn to spot WhatsApp scams and fraudsters by recognizing the red flags and scam types.

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What Is Blockchain Technology And How Does It Work?

Discover what blockchain technology actually is, how it works, and what types of blockchain there are in our guide to the basics of blockchain.

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Keeping people around the world safer & more secure

Using real-time intelligence from hundreds of millions of Avast users, we prevent more than 66 million threats every day.

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