When you sign into the Xbox PC app, the Microsoft account associated with your Xbox profile will be used in the Xbox app for access to Xbox Game Pass and all other purchases, including rights to purchased games.

Learn how to protect your device with Windows Defender SmartScreen and other app and browser control settings in Windows Security.

Learn more about updates for Windows 10, version 2004, including improvement and fixes, any known issues, and how to get the update.

Hotfix update for Microsoft Exchange Server 2019 and 2016 was released on April 23, 2024. It includes fixes for non-security issues and introduces new features. These fixes and features will also be included in later cumulative updates for Exchange Server 2019.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Active content is additional functionality in a file or program, such as macros, add-ins, or data connections. This article lists types of active content that can be blocked by settings in Trust Center and which, when present in a document, cause display of the Message Bar when you open your file.

Découvrez comment résoudre les problèmes liés aux mises à jour de Windows. Trouvez des réponses aux questions et problèmes courants lors de l’installation Windows mises à jour.

我的产品密钥不起作用. 如果 Office 产品密钥不起作用，或已停止工作，应与卖家联系，申请退款。 如果产品密钥是独立于软件购买的，则很可能是被盗的产品密钥，或者是以欺骗方式获得随后阻止使用的产品密钥。

Learn about Xbox online safety so you can manage your family's accounts.

Microsoft Authenticator アプリは、2 段階認証を使用しているときにアカウントにサインインするのに役立ちます。