更改第一页上的页眉或页脚，或者文档中的任何其他页面。 重要: 分节符不同于分页符。如果想要更改页眉或页脚的页面之前已有分页符， 请删除分页符 并将其替换为分节符，如下所示。

若要在 Outlook.com 中获取支持，请单击此处或选择菜单栏上的帮助，然后输入查询。如果自助服务无法解决问题，请向下滚动到“仍需要帮助？”，然后选择“是”。 若要在 Outlook.com 中联系我们，需要登录。 如果无法登录，请单击 此处。 若要获取其他有关 Microsoft 帐户和订阅的帮助，请访问 帐户和 ...

Note: The Wireless Display app is available on devices running Windows 11 version 22H2 and newer.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?

Troubleshoot problems with Bluetooth accessories. If you can turn on Bluetooth but having problems pairing or using a Bluetooth accessory, try the following steps to try to fix common problems with Bluetooth accessories.

每次更改键入布局或语言时都需要更改此设置。 提示：使用“手机屏幕”时，如果添加了多个语言或布局，可使用键盘快捷方式 Shift + Space 来切换语言。 为什么在使用手机屏幕功能时关闭我的手机屏幕？ 我们提供了一个可使 Android 手机在连接手机屏幕功能时变为黑屏的选项。

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

无。 这些更改将包含在此通道的下一个安全更新中。 有关适用于企业的 Windows 更新的详细信息，请转到 适用于企业的 Windows 更新 网站。 Microsoft 更新目录 是 若要获取此更新的独立包，请转到 Microsoft更新目录 网站。 Windows Server Update Services

Before you begin. Driver updates for Windows, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update.