If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

Notes: If you're using the desktop version of Excel on a Windows PC, see this Excel Quick Start.. If you're using the desktop version of Excel on a Mac, see Office for Mac Quick Start Guides and Excel for Mac Help.

If you loved the free solitaire games from earlier versions of Windows, we've wrapped them all up in one convenient app, the Microsoft Solitaire Collection.

控制器序列号的长度为 14 个字符，并且不包含短划线。如果从未连接过控制器，或者在最近 48 小时内首次连接，则可能无法识别控制器序列号。 如果有 Xbox Elite 无线控制器系列 2，则 14 个字符的序列号位于控制器背面下方中间。

选择要登录 的帐户。 在 Windows 中卸载或删除应用和程序 Windows 10 更多... 更少 可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。 如果程序无法正常 ...

Select Start > Settings > Personalization.The preview window gives you a sneak peek of your changes as you make them. In Personalize your background, you can select a picture, a solid color, or a slideshow of pictures you create.Or you can choose Windows spotlight to see a new image from around the world every day.

选择要登录 的帐户。 在 Microsoft Edge 中添加、关闭或删除扩展 Microsoft Edge Windows 11 Windows 10 更多... 更少 扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 ...

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Um Ihre Microsoft 365-Erfahrung in neuen Outlook für Windows, Outlook.com, Outlook für iOS, Outlook für Android und neuen Outlook für Mac zu verbessern, können Sie jetzt Ihre Nicht-Microsoft-Konten (einschließlich ihrer E-Mails, Kontakte und Ereignisse) mit der Microsoft Cloud synchronisieren.

Manage your Virus & threat protection settings. Use Virus & threat protection settings when you want to customize your level of protection, send sample files to Microsoft, exclude trusted files and folders from repeated scanning, or temporarily turn off your protection.. Manage your real-time protection. Want to stop running real-time protection for a short while?