Informazioni su come installare, reinstallare o attivare Microsoft 365 o Office 2019 in un PC o un Mac.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Pick a team and channel. A team is a collection of people, conversations, files, and tools — all in one place. A channel is a discussion in a team, dedicated to a department, project, or topic.. The best way to get familiar with teams and channels is to pick a team and channel and start exploring! Select Teams on the left side of the app and then pick a team.

Learn how to update your Xbox console offline. Unplug the network cable if you're using a wired network connection. Power off your console, and then unplug the power cord to ensure that the console is completely powered off.

Learn how to set up a connection to a proxy server on your Windows PC.

Aprende a acceder y administrar las opciones de inicio de sesión de Windows. Usa una contraseña, Windows Hello o una clave de seguridad para desbloquear el dispositivo.

Windows 安全中心已预安装在 Windows 10 中并可随时使用。

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11，您可能需要授予应用使用它的权限。

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如果你使用的是 Windows 11，并在使用 Microsoft Store 中的应用时遇到问题，请考虑这些更新和修复程序。 首先，登录到你的 Microsoft 帐户。 接下来，按照显示的顺序实施这些可能的解决方案。