选择任务栏右侧的操作中心，然后移动"亮度"滑块 以调整亮度。 (如果滑块不存在，请参阅下面的备注部分。) 某些电脑可能允许 Windows 根据当前照明条件自动调整屏幕亮度。 若要了解你的电脑是否支持此功能，请选择"设置>"> 显示"。 在“亮度和颜色”下，查找“在照明条件更改时自动更改亮度 ...

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

按 Alt 键可显示功能区快捷方式（称为“键提示”），如下所示。. 注意: 加载项和其他程序可以向功能区添加新选项卡，并可能为这些选项卡提供访问键。. 对于各种功能区选项，可以将“键提示”字母与 Alt 键组合在一起，以创建名为“访问键”的快捷方式 ...

Download the app. Track your points and earn while gaming or shopping by downloading the Microsoft Rewards app to your Xbox console: Press the Xbox button to open the guide, and then go to Store. Select Search, and then enter Microsoft Rewards into the search box. Choose the Microsoft Rewards app from the results, and then download it to your ...

Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...

Trên thiết bị Windows: Mở ứng dụng Xbox dành cho PC. Nhấp vào ảnh hồ sơ của bạn và chọn Xem hồ sơ. Trong Vị trí tôi phát, chọn tùy chọn Thêm bảng điều khiển và làm theo các bước được hiển thị. Những điều cần lưu ý: Bạn nên lưu thường xuyên trong khi chơi từ xa.

更改默认程序Windows. 选择 "开始 > 设置> 应用> 默认应用" 。. 在搜索栏中，输入你需要的文件类型或链接类型，然后从结果列表中选择它。. 你可以选择哪个应用可以打开该文件或链接类型。. 选择应用以查看它可以打开哪些文件类型或链接类型。. 如果要更改内容 ...

Warning: When you delete a section break, Word combines the text before and after the break into one section. The new combined section uses the formatting from the section that followed the section break.. If you want the section to use the formatting, headers or footers from before the section break, use Link to previous instead of removing the section break.

Recover lost or deleted files. Windows 7. Note: If you've recently updated Windows 10 and are having problems finding files, see Find lost files after the upgrade to Windows 10. If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try ...

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device. Activate Office from Microsoft Workplace Discount Program.