Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.

Windows 10. Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag. Select Defragment and Optimize Drives. Select the disk drive you want to optimize. Select the Optimize button.

If you're making the move to a new PC, you don't have to leave behind your photos, videos, files, and folders. You can bring them all with you to your new PC using one of the following options.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery .

Windows 10更新助手在您的设备上下载并安装功能更新。 功能更新，例如 Windows 10 版本 1909（又称作 Windows 10 2019 年 11 月更新）提供新功能，并帮助保持系统安全。 下载更新助手 后，你将自动获得这些更新。

Die Informationen in diesem Artikel gelten, wenn Sie kürzlich Änderungen an der Gerätehardware vorgenommen haben und versuchen, ein Upgrade auf Windows 11 durchzuführen. Hardwareänderungen können sich auf die Upgradeeignung auswirken, Sie müssen jedoch einige Schritte ausführen, damit die aktualisierte Eignung in den Einstellungen angezeigt wird.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription.

In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update .

当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。 如果你想要使用 Windows 安全中心，可卸载其他所有防病毒程序，Windows 安全中心即自动打开。系统可能会要求重启设备。 注意 ：在以前版本的 Windows 10 中 ...