Get an overview of SharePoint. Learn about sites, lists and libraries, permissions, content types and workflows. In addition, read about some of the social features in SharePoint.

若要申请退款，需要登录用于购买的 Microsoft 帐户，并提供所购买内容的名称、订单编号以及需要退款的原因。

在主机上，通过“Microsoft Store” > “会员资格”，获取 Xbox Game Pass Ultimate。 如果在线，可转到 Xbox Game Pass。 购买 Game Pass Ultimate 后，Xbox Game Pass、Xbox Live Gold 或 EA Play 的任何订阅预付时间都会按照当前转换率自动转换为 Xbox Game Pass Ultimate 的时间，最大长达 36 个月。

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

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

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

We want to hear from you! Please continue to share your feedback with us — either in the Google Play Store, directly in the Phone Link and Link to Windows apps, or at the bottom of this article.