重新安装 Windows - Microsoft 支持
了解如何在电脑上重新安装 Windows，以及安装 Windows 后激活的工作原理。
修复 Windows 中的 USB-C 问题 - Microsoft 支持
学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。
Changes in the new Photos app on Windows 10 - Microsoft Support
The newly introduced Photos app on Windows 10 offers enhanced capabilities for managing and editing your photos. New features in the Photos app on Windows 10
Treiber manuell in Windows aktualisieren - Microsoft-Support
Erfahren Sie, wie Sie Treiber in Windows aktualisieren, indem Sie den Geräte-Manager verwenden, um einen Treiber zu aktualisieren oder neu zu installieren.
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.
Switch from working offline to online - Microsoft Support
Learn how to switch Outlook from working offline to online with your mail server on Microsoft Support.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
Automatically fix Windows security issues - Microsoft Support
Troubleshoots and fixes common issues with security and malware prevention in Windows.
Surface help & learning
Choose from a variety of Surface devices and accessories to get help.
Protect a document with a password - Microsoft Support
How to password protect a Word document to prevent unauthorized access.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Touch gestures for Windows - Microsoft Support
Touch gestures. You can use these gestures on the touch screen of your Windows 11 device. To turn touch gestures on, select Start > Settings > Bluetooth & devices > Touch > Three- and four-finger touch gestures, and make sure it's turned on.