了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

会议前. 在 Teams 日历中，安排或编辑会议时，请使用 “添加所需与会者 ”或 “添加可选与会者 ”框搜索和邀请人员。 然后，可使用“日程安排助理”查看人员的空闲时间。 有关详细信息，请参阅 安排会议。. 还可以安排 Teams 会议并从 Outlook 邀请人员。

Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.

A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.

Learn how to view your PC information on Windows with Microsoft Support's step-by-step guide.

Learn how to download, install, and configure additional language packs for your version of Windows.

Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.

In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day).