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。

Tip: Don't see the Screen Record quick setting?Swipe down from the top of the screen twice, then tap Edit (the pencil icon). Under Hold and drag to add tiles, drag the Screen Recorder tile up to add it.

Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks. Check for Windows updates

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.

什么是安全密钥？ 目前，我们支持使用 Fast Identity Online (FIDO2) 无密码身份验证协议的多种安全密钥设计和提供程序。 借助这些密钥，你可以在受支持的设备和 Web 浏览器上登录工作或学校帐户，以访问组织的基于云的资源。

ime 支援稱為 ime 工具列的 ui，提供快速調用特定 ime 函數的替代方法。 ime 工具列是語言欄續約的 ui。 若要開啟 ime 工具列，請以滑鼠右鍵按一下通知區域中的 ime 模式圖示，然後選取 [ 顯示/隱藏 ime 工具列。

The Teams Meeting add-in lets you schedule a Teams meeting from Outlook. The add-in is available for Outlook on Windows, Mac, web, and mobile, and should be automatically installed if you have Microsoft Teams and either Office 2016, Office 2019, or Office 2021 installed on your Windows PC.

The transcribe feature converts speech to a text transcript with each speaker individually separated. After your conversation, interview, or meeting, you can revisit parts of the recording by playing back the timestamped audio and edit the transcription to make corrections.

Export contacts out of other email services. Export iCloud contacts. Export Gmail contacts – See Gmail help. Export Yahoo contacts – See Yahoo import and export help. Export Thunderbird contacts – See Mozilla support.

解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。