Learn how to get the most out of Windows Defender.
Learn how to roll back or uninstall the signature definitions and engine files for Windows Defender.
Learn about Microsoft SpyNet and how to change SpyNet settings in Windows Defender.
Learn how to customize Windows Defender’s automatic scanning, default actions, real-time protection, advanced, and administrator options.
This guide shows you how to use Software Explorer in Windows Defender to view detailed information about programs running on your computer and to stop programs from starting when Windows starts.
Learn how to exclude programs from being removed, cleaned, or quarantined by Windows Defender.
This guide shows you how to remove items from Windows Defender’s allowed list.
Learn how to delete or restore quarantined items in Windows Defender.
Learn how to remove spyware, adware, and viruses found with Windows Defender.
An in depth guide on scanning your computer for spyware using Windows Defender.