Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

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

Here are the basics: Microsoft Defender is the virus protection integrated into Windows by default. If no other antivirus program is installed and activated, Defender protects you against viruses. You ...

Microsoft no longer officially supports Windows 10, but you still have an option to get one year of free security updates.

If you’re thinking about moving forward, Microsoft recommends checking if your PC can run Windows 11. You can do this through the PC Health Check app or by going to Settings > Windows Update.