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

Use the Windows Settings app to change your desktop backgrounds and colors.

Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.

Learn how to use InPrivate browsing in Microsoft Edge if you don't want your browsing data saved on your PC.

Outlook 网页版是组织使用的基于 Web 的 Outlook 版本。你需要使用工作或学校帐户登录才能访问此基于 Web 的 Outlook 版本。 你的工作或学校帐户通常由组织中的某人分配给你。

Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.

Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.