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.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to get Outlook set up to work with Microsoft 365, POP, IMAP, or Microsoft Exchange-based email accounts.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

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

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

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.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

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