Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.

了解如何使用 Windows 11 中的任务栏功能。 使用任务栏设置隐藏任务栏、固定应用、更改位置等。

Learn to hide (or unhide) worksheet tabs or workbooks in Excel. Worksheet names appear on the tabs along the bottom of a workbook.

Wenn das neueste Windows-Update für Ihr Gerät bereit ist, steht es auf der Seite Windows Update unter Einstellungen zum Download zur Verfügung.

Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.

Explore tips to change your Microsoft Teams background. Learn how to replace, blur, or change your Teams background image before or during a meeting.

了解如何使用设备管理器更新Windows中的驱动程序或重新安装驱动程序。

You can easily insert a check mark (also known as a "tick mark") in Word, Outlook, Excel, or PowerPoint. These marks are static symbols. If you're looking for an interactive check box that you can click to check or uncheck, see: Add a check box or option button (Excel) or Make a checklist in Word. In your file, place the cursor where you want to insert the symbol.

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.