Use Find my device to locate and lock your lost or stolen Windows devices.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Сведения об активации Windows с помощью ключа продукта или цифровой лицензии, проверке состояния активации и привязке учетной записи Майкрософт.

Erfahren Sie, wie Sie die App „PC-Integritätsprüfung“ verwenden, um die Leistung Ihres Geräts zu verbessern.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.