Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery .

了解哪些设备与 Xbox Cloud Gaming 兼容。

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

You can view and clear your Microsoft Edge browsing history stored on a single device, across all synced devices, and in the cloud. You may choose to clear your browsing history at any time.

When the latest Windows update is ready for your device, it will be available to download from the Windows Update page in Settings.

A scanner you've connected using a wired, wireless, or network connection. An app for scanning files, such as Windows Scan, available for free from Microsoft Store. The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files. For more info, see Install and use a scanner in Windows.

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Learn how to troubleshoot problems installing or running games from the Xbox app for PC.

In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update .