Look in the Surface app. The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Get tips for how to set up and test microphones in Windows.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Windows 設定アプリを使用して、デスクトップの背景と色を変更します。

Use VLOOKUP, HLOOKUP, and other functions like INDEX and MATCH to search for and find data based on values you enter. This article gives you a quick VLOOKUP refresher, then links to more.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Learn how to set an out of office status message in the Teams mobile app using our step-by-step guide. It's a great way to let your colleagues know your availability.

What if I don't have administrator privileges on my device? To fully upgrade to the new Microsoft Edge, you must be signed in to your device using an administrator account. If you don't have this level of access, contact your IT administrator to request access or have someone complete the upgrade who has an administrator account on your device.