汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：

Le support Microsoft est là pour vous aider avec les produits Microsoft. Trouvez des articles pratiques, des vidéos et des formations pour Microsoft Copilot, Microsoft 365, Windows, Surface, etc.

In the left pane, click Create a system repair disc, and then follow the steps. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

Learn about the tools and features that Xbox provides in our quest to make gaming accessible to players of all abilities.

Windows 11引入了一项称为动态刷新速率 (DRR) 的新功能，该功能会根据你当时执行的操作自动调整刷新率。 这可以帮助你获得两全其美：当你需要游戏、浏览或墨迹书写时获得流畅的体验，当你不执行这些类型操作时，电池使用时间更长。

Microsoft 支援服務可協助您處理 Microsoft 產品。 尋找適用於 Microsoft Copilot、Microsoft 365、Windows、Surface 等的使用方法文章、影片和訓練。

Windows 10, version 21H2 update history; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651) June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)

Choose from a variety of Surface devices and accessories to get help.

When you use Game Mode, Windows prioritizes your gaming experience by turning things off in the background. When you’re running a game, Game Mode:

Back up the registry manually. Select Start , type regedit.exe in the search box, and then press Enter.If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.