Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Learn how to use Remote Desktop in Windows. On your Windows, Android, or iOS device: Open the Remote Desktop app (available for free from Microsoft Store, Google Play, and the Mac App Store), and add the name of the PC that you want to connect to (from Step 1). Select the remote PC name that you added, and then wait for the connection to complete.

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

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

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