Windows users can use the classic Control Panel. Open the classic Control Panel (not Settings). Click on Windows Defender Firewall. Click on Restore. replace.me Start > Settings > Update & Security > Windows Security and then Virus & threat protection > Manage settings. (In previous versions of. Press Windows + X and select Windows PowerShell (Admin). For Windows 11, select Windows.
 
 

Windows 10 reset windows defender free download.Reset Windows Security App in Windows 10

 
Windows Security is built-in to Windows 10 and includes an anti-virus program called Microsoft Defender Antivirus.