Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

The update history page will provide you with the build numbers for 22H2 and 23H2. This will make it easier for support to assist you if you encounter issues. This new update will be cumulative with all the newly announced features including Copilot in Windows (in preview) plus additional changes.

在Word 中使用带键盘快捷方式的外部键盘可以帮助你更高效地工作。 对于有行动障碍或视力障碍的人，键盘快捷方式比使用触摸屏更容易，并且是使用鼠标的有用替代方法。

若要申请退款，需要登录用于购买的 Microsoft 帐户，并提供所购买内容的名称、订单编号以及需要退款的原因。. 可以联系 aka.ms/contactxboxsupport 以获取退款申请和其他支持。. 注意 申请并不保证能够退款。. 超过 14 天的大多数购买都不符合退款要求。.

Learn how to install a scanner and use it to scan pictures and documents in Windows 10.

Try Microsoft Update or contact your company help desk. To download an update manually, see Office Updates. Go to Control Panel > Programs > Uninstall a program. Find and select your version of Microsoft Office on your computer. In the bar above, click Change. Select Quick Repair > Repair. If this does not work, retry the steps, but choose ...

Se não for possível entrar na conta de email do Outlook.com, Hotmail, Live ou MSN, ou se não souber como entrar ou sair, confira algumas soluções.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

创建地图图表后，可轻松调整其设计。. 只需选择地图，然后从功能区中的 “图表设计 ”或“ 格式 ”选项卡中选择。. 还可以双击图表以启动“ 设置对象格式任务窗格 ”，该窗格将显示在 Excel 窗口的右侧。. 此操作也将显示地图图表特定的“ 系列选项 ...

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 .