Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

See how to import favorites from other browsers into Microsoft Edge.

Learn how to play different type of CDs and DVDs in Windows Media Player.

Learn how to recover files that have been lost, deleted, or accidentally changed.

Wenn Sie Ihre Hardware geändert haben, um ein Upgrade auf Windows 11 durchzuführen und das System die Änderung nicht rechtzeitig erkennt, wird in diesem Artikel erläutert, wie Sie die Bewertung manuell initiieren.

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

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.