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

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

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

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

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。

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

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

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.

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