Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10.
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.
Windows 10 life support ends Oct. 14, when Microsoft stops providing free free security updates, bug fixes, or technical support for the operating system.
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