To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.

Windows-Geräte erhalten möglicherweise zu unterschiedlichen Zeiten neue Funktionen, da Microsoft nicht sicherheitsrelevante Updates, Fehlerbehebungen, Verbesserungen und Verbesserungen über verschiedene Wartungstechnologien bereitstellt – einschließlich des kontrollierten Featurerollouts (Controlled Feature Rollout, CFR). Windows informiert Sie darüber, ob Sie Ihr Gerät neu starten ...

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

Choose number of pages to print per sheet: Printing multiple pages on a single sheet of paper is a useful technique to save paper, reduce printing costs, and create compact versions of your documents. The number of pages that can be printed on a single sheet depends on the capabilities of your printer and the printing options you choose (Example: 1, 2, 4, 6, 9 or 16 pages per sheet).

Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

Organize your ideas. Collections help you keep track of your ideas on the web - shopping, planning a trip, research, or just want to pick up where you left off.

DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏，你可能会收到错误消息“无法启动此程序，因为计算机中丢失 d3dx9_35.dll。

Switch Real-time protection to Off.Note that scheduled scans will continue to run. However, files that are downloaded or installed will not be scanned until the next scheduled scan.

Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.