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

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

Subscribed. A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.. Don't already have Microsoft 365, or you're looking for product details and prices? Buy or try Microsoft 365

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

Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Learn how to use drag and drop to transfer content between your Android device and PC.

Learn how to improve the clarity of text and images displayed on your screen by changing the screen resolution of your monitor.

Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.