Describes an update that enables you to upgrade your computer from Windows 7 to a later version of Windows.

Use a link or a join code to join a team directly in Microsoft Teams without having to request permission from a team owner.

Get help if your Surface Pen isn't working or you're having problems writing. Troubleshoot problems related to your Surface Pen.

了解如何修复常见的 OneDrive 个人版或 OneDrive for Business 同步问题。

Microsoft is retiring the Windows legacy inbox Troubleshooters, such as Keyboard troubleshooter and Speech troubleshooter, and the Microsoft Support Diagnostic Tool (MSDT) that runs them.

Training: Chat in Microsoft Teams lets you stay up to date on projects, connect with others, and express yourself. Learn more in this online video.

Learn how the service process for Microsoft Surface works and how to request service online if your Surface needs repair.

Introduction. The Microsoft .NET Framework Repair Tool detects frequently occurring issues that affect Microsoft .NET Framework setup or updates.

Erfahren Sie, wie Sie Office, das auf neuen Windows 10-PCs vorinstalliert ist, oder mittels eines neuen Product Keys aktivieren.

Use data validation rules to control the type of data or the values that users enter into a cell. One example of validation is a drop-down list (also called a drop-down box or drop-down menu). Watch more in this video.