将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版,包括如何使用有效产品密钥或 Microsoft Store。
Work or school account help - Microsoft Support
As an employee, IT worker, or end-user, set up authentication for your work or school account, reset your own password, set up and join devices, set up the Microsoft Authenticator app, and use the My Account and My Apps portals.
How to renew your Microsoft 365 subscription - Microsoft Support
Important: If you enter more than one product key, you extend the amount of time for that subscription, not increase the number of installs or the amount of online storage you get. You can extend the duration of a Microsoft 365 subscription for a maximum of 5 years.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Microsoft 365 for home, Office for business, Microsoft 365 admin, Office Mobile for Android, Microsoft 365 Apps for business, Microsoft 365 for Mac, Microsoft 365 for Windows, Microsoft account dashboard, Microsoft Office, Office activation, Office app for Android, Office app for iOS
Set screen time limits across devices - Microsoft Support
Screen time limits in Microsoft Family Safety are a great way to balance online habits within your family group. You decide when and for how long family members can use their connected Windows, Xbox and mobile devices.
Applies To:
Microsoft Family Safety
Welcome to Copilot on Windows - Microsoft Support
At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.
See what's on the Start menu - Microsoft Support
Get started. To pin your favorite apps to the Start menu, select and hold (or right-click) the app you want to pin. Then select Pin to Start .. To group your apps into folders, simply drag an app on top of another with mouse or touch or highlight the app with your keyboard and use the Ctrl + Shift + <Left or Right arrow> keyboard shortcut.. Your apps and programs—right at your fingertips
Change or reset Internet Explorer settings - Microsoft Support
Change Internet Explorer settings. There are many changes you can make to customize your browsing experience in Internet Explorer. To view all settings and options, open Internet Explorer on the desktop, select Tools > Internet options.. Reset Internet Explorer settings
激活 Windows - Microsoft 支持
若要在 Windows 11 中检查激活状态,请选择“开始 ”按钮,然后选择“设置 > 系统 ” ,然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息:
Planner help & learning
Welcome to the new Planner. The new Microsoft Planner brings together the simplicity of To Do, collaboration of Planner, power of Microsoft Project, and intelligence of Microsoft Copilot into a single, simple solution that spans from individual task management to enterprise and professional project management.
Product activation for Windows – online & support telephone numbers
To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.