Defender will continue to provide security even for unsupported Windows 10 PCs. But Microsoft still wants you to move to Windows 11.

Microsoft says the ESU program is "not intended as a long-term solution but rather as a temporary bridge to stay secure while one migrates to a newer, supported platform."  Windows security ...

What to do when you can't update Windows because of this cryptic error It's important to update Windows so that your computer receives crucial security patches and ...