Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

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

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

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.

Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.

Learn how Smart charging in Windows can help your battery last longer over time.

Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

Summary. Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

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.