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如果知道用户名和密码但已停止工作，请阅读 我的用户名和密码已停止工作。. 如果你忘记了 Microsoft 帐户用户名或电子邮件地址， 并且 之前已在 Microsoft 帐户上设置了其他 安全信息 ，请按照以下步骤操作。

Select your profile picture at the top right of Teams. When your account manager opens, select your profile picture again.

Sign in with your Microsoft account, or work or school account. For the best experience at Microsoft365.com, sign in with the same Microsoft account, or work or school account you use with Office or Microsoft 365.. Microsoft account This is the email address you use to sign in to Microsoft services like Microsoft365.com or even Xbox Live.It’s called your Microsoft account, but it doesn’t ...

解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。

Creating a passkey. To create a passkey for your Microsoft account, follow these steps on the device for which you’d like to create a passkey:

对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束 Internet Explorer 11 已通过某些版本的 Microsoft Edge 更新永久禁用Windows 10。

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

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。