Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Learn how to sign in to your Hotmail account, now known as Outlook.com, and access your emails.

若要获取其他有关 Microsoft 帐户和订阅的帮助，请访问 帐户和计费帮助。 若要获取帮助和其他 Microsoft 产品和服务的疑难解答，请在此处输入你的问题。 发布问题、关注讨论，并在 Outlook.com 社区论坛中共享知识。

你还可以找到有关版本和所有已知问题的详细信息。 安装最近的更新可确保你同时获得可能错过的任何先前更新，包括任何重要的安全修复。 有关更新及其获取方式的详细信息，请参阅： Windows 11概述 - Windows 中的新增功能. Windows 11规范. Windows 11版本 22H2 的新增 ...

Learn how to install Office 2013 on your PC or Office for Mac 2011.

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Hotmail está ahora Outlook.com. Aprenda a iniciar sesión para acceder a su cuenta de correo electrónico de Outlook.com, Hotmail, Live o MSN.

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC.