Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Find out how to stop your screen from flickering after the upgrade to Windows 10.

When you use InPrivate tabs or windows, your browsing data isn't saved on your PC once you're done.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.