Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Use Find my device to locate and lock your lost or stolen Windows devices.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

Hotmail est maintenant Outlook.com. Découvrez comment vous connecter pour accéder à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。