Microsoft 繁体中文输入法 - Microsoft 支持
本页可帮助你了解如何使用 Microsoft 繁体中文输入法，包括输入法功能和键盘快捷方式。
输入 Office 产品密钥的位置 - Microsoft 支持
我的产品密钥不起作用. 如果 Office 产品密钥不起作用，或已停止工作，应与卖家联系，申请退款。 如果产品密钥是独立于软件购买的，则很可能是被盗的产品密钥，或者是以欺骗方式获得随后阻止使用的产品密钥。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office.com
How to earn Microsoft Rewards points - Microsoft Support
Learn how to earn Microsoft Rewards points when you browse the web with Microsoft Edge, search on Bing.com, and more.
Applies To:
Microsoft account dashboard
Using the Windows Activation troubleshooter - Microsoft Support
Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.
How to add your accounts to Microsoft Authenticator
Learn how to add all your different accounts to the Microsoft Authenticator app.
Setting up Apps in the Phone Link - Microsoft Support
With the Phone Link app on your PC, you can open and use apps from your Android device.
First things to know about teams in Microsoft Teams
Teams in Microsoft Teams are collections of people, content, and tools surrounding different projects and jobs.
Applies To:
Microsoft Teams
Learn about performance features in Microsoft Edge
Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.
Applies To:
Microsoft Edge
Xbox 订阅取消和退款 | Xbox Support
你可以随时取消 Xbox 订阅。 关闭定期计费将停止订阅的未来扣费，并使你在订阅到期之前使用其权益。 你也可能有资格立即取消并获得退款；但不是所有订阅费用都能退款。
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.