了解如何为 Xbox 设备获取服务。 如果已注册了设备，请登录到设备服务页，以查看该设备的保修状态。

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

使用 Microsoft Edge，可以在设备上安装和管理常用网站的应用程序，以便快速访问。 使用 edge://apps 页查看已安装的应用程序并管理应用权限。 可以按安装日期、最近使用和字母顺序对已安装的应用程序进行排序。

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

Aprende a conectarte a una red Wi-Fi en Windows y administrar las conexiones de red actuales.

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

Découvrez comment exécuter l’utilitaire de résolution des problèmes de Windows Update pour résoudre les erreurs de téléchargement ou d'installation des mises à jour Windows.

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

Sharing your notes is easy in OneNote for Windows 10. You can invite others to view a specific page or an entire notebook, and you can select whether notebook participants can only view or fully edit your notes.

Get the most out of your subscription with expert advice and support from small business advisors. Business Assist for Microsoft 365 is designed for small businesses to give you and your employees around-the-clock access to small business advisors as you grow your business, from onboarding to everyday use.