The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead A computer virus is a type of program that, much like a regular virus, ...

Antivirus software is necessary to install on a computer as it offers protection against several threats that can harm a computer. Windows 11/10 computers come with a built-in free antivirus software, ...

Windows Security is built-in to Windows 10 and includes an antivirus program called Microsoft Defender Antivirus. If you have another antivirus app installed and turned on, Microsoft Defender ...

It's important to know the signs of a virus, so that you can act quickly to get rid of any malware and stay safe in future. A virus is a type of malicious software, or malware, that can replicate ...

A computer virus is a type of malware that can replicate itself on your computer and spread to other devices. You might be infected with a virus if your computer suddenly starts running more slowly, ...

In 2025, most devices feature built-in antivirus software that scans files you attempt to download, blocking anything it deems suspicious. Antivirus tools also perform automated scans to remove ...

If you think your PC is infected with some kind of malware or you just want to do a scan as part of a digital cleanup, Windows has a built-in security tool that can help you on your way — no ...

Antivirus software protects your computer by scanning every file you download for viruses and other malware. Most of the time, you’ll want to leave your antivirus program running as-is. If it’s ...