激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态,以及链接Microsoft 帐户。
What's the difference between a paid Microsoft 365 subscription and the ...
Subscribed. A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.. Don't already have Microsoft 365, or you're looking for product details and prices? Buy or try Microsoft 365
Troubleshoot Outlook email setup - Microsoft Support
Learn how to troubleshoot and fix problems setting up your email in Outlook.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin
Fix USB-C problems in Windows - Microsoft Support
Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.
Getting the most out of your PC backup - Microsoft Support
When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.
What's new in Office 2021 - Microsoft Support
Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.
Applies To: Office 2021, Office 2021 for Mac
Share OneDrive files and folders - Microsoft Support
Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
在Microsoft Edge浏览器中使用Microsoft 翻译工具 - Microsoft 支持
请执行以下任一操作: 在 “翻译为 ”下拉列表中,选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。
Applies To: Microsoft Edge
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
Stay protected with Windows Security - Microsoft Support
Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.