使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Troubleshoot problems updating Windows - Microsoft Support
Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.
Switch to the new Microsoft Teams - Microsoft Support
When in the new Teams, turn on (or off) notifications by selecting Settings and more at the top of the new Teams, then selecting Settings > Notifications > Open Windows notifications settings.Find Microsoft Teams (work preview) in the apps list and set your preference.
适用于: Microsoft Teams
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Set up or change the languages used to check spelling and grammar
You can manage the language or languages that check your spelling and grammar. Add more languages and change the default proofing language. You can add more languages and change the default proofing language, by completing these procedures:
适用于: Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Publisher, Word 2021, Outlook 2021, PowerPoint 2021, Publisher 2021, Word 2019, Outlook 2019, PowerPoint 2019, Publisher 2019, Word 2016, Outlook 2016, PowerPoint 2016, Publisher 2016, Word 2013, Outlook 2013, PowerPoint 2013, Publisher 2013
Which version of Windows operating system am I running?
Find operating system info in Windows 8.1 or Windows RT 8.1. To find out which version of Windows your device is running, press the Windows logo key key + R, type winver in the Open box, and then select OK.. If your device is running Windows 8.1 or Windows RT 8.1, here’s how to learn more:
查找 Windows 产品密钥 - Microsoft 支持
如果从 Windows 7 或 Windows 8.1 免费升级到 Windows 10,你应拥有数字许可证,而非产品密钥。 Microsoft Store 应用 如果你在 Microsoft Store 应用中购买了Windows 10或Windows 11 专业版升级,你将在发送确认购买的确认电子邮件中收到数字许可证而不是产品密钥。
适用于: Microsoft 帐户仪表板
Show desktop icons in Windows - Microsoft Support
Note: If you are in tablet mode, you may not be able to see your desktop icons properly.You can find the program by searching for the program name in File Explorer. To turn off tablet mode, select action center on the taskbar (next to date and time), and then select Tablet mode to turn it on or off.
Download Internet Explorer 11 (Offline installer) - Microsoft Support
Microsoft Edge is the browser recommended by Microsoft. Support for Internet Explorer ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can reload it with Internet Explorer mode in Microsoft Edge.
Get the latest Windows update - Microsoft Support
Windows devices may get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR).. Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update.
Automatically get recommended drivers and updates for your hardware ...
Information. Windows can download high-resolution icons for many hardware devices that you connect to your computer, along with detailed information about them, such as product name, manufacturer, and model number—even detailed information about the sync capabilities of a device.