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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。

Is it available on my device? BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.

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Open directly from the Search bar. If the Bing Chat icon is displaying in your Search bar on the taskbar, simply select it and Bing Chat will open in Microsoft Edge.. Open in Search Home. Here's how: Select the Search icon or the Search bar on your taskbar.

Find your files in Windows 11 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar.You'll see results for documents across your PC and OneDrive.

To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.

注意 为了帮助我们更好地保护你的帐户，请告诉我们购买的人是你家庭中的某人还是你认识的其他人。 你可以提供有关进行此购买的人员以及购买者是在你的帐户还是他们的帐户上进行的其他详细信息。

Get started. To pin your favorite apps to the Start menu, select and hold (or right-click) the app you want to pin. Then select Pin to Start .. To group your apps into folders, simply drag an app on top of another with mouse or touch or highlight the app with your keyboard and use the Ctrl + Shift + <Left or Right arrow> keyboard shortcut.. Your apps and programs—right at your fingertips

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.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: