The majority of the updates that come through Windows Update are for Windows Defender, and for good reason. Windows Defender helps make your antimalware and other security protections stronger.
If Windows 11 is sending alerts that you need to turn on virus protection and your PC is unprotected, don't worry.
Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, and devices. Windows 11 comes with plenty of built-in security tools, but ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results