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 ...

Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10.

Others may prefer other antivirus software or want to just rely on their operating system's built-in protection. If you're on Windows 10 or 11, you're already covered with Windows Security, which ...