培训：借助此 Excel Online 入门指南，快速掌握相关知识并与他人共享和协作。 如果 Excel 网页版 Web 浏览器中运行，可以： 在同一文件上同时与他人共享和协作处理工作簿。

Check the Xbox services, games, and apps for any service outages.

Start by trying the activation troubleshooter in the Get Help app. Get Help can guide you through the correct steps to fix most activation issues. Open Get Help. Checking your Windows activation status. You'll first want to find out if your Windows 11 is activated and linked to your Microsoft account.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

To reset your PC, go to Start > Settings > System > Recovery .Next to Reset this PC , select Reset PC.Then, select Keep my files, choose cloud or local, change your settings, and set Restore preinstalled apps? to No.. Open Recovery settings

To change your current theme: Click Start > Settings > Personalization > Themes.. Under "Change theme", click the tile to switch to the theme you'd like to use.

如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。

iPhone の注意:iPhone のインポートで問題が発生した場合は、デバイスのロックが解除され、アクセス許可が承認されていることを確認してください。 Android やその他のデバイスの場合は、次の点に注意してください。 Android スマートフォンやその他のデバイスを使用していて、インポートが機能し ...

Note: If you are in tablet mode, desktop icons are not displayed.To see your desktop icons in tablet mode, go to Start > Settings > System > Tablet, then select Change additional tablet settings.Under When I'm using tablet mode, make sure that Hide app icons on the taskbar and Automatically hide the taskbar are both set to Off.

Unlike in previous versions of Windows, you’ll need to use the media creation tool to create an ISO file to install Windows 10. Make sure you have a license to install Windows 10, and then follow these steps: