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。

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

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Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

The new Outlook for Windows brings the latest features, intelligent assisted capabilities and a new modern and simplified design to your Outlook app.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

How to display desktop icons in Windows. 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.

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

Learn ways to fix common printing problems in Windows 10. Reinstall your printer. If your printer is turned on and connected to the network, Windows should find it easily.