Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.

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.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

Découvrez comment utiliser l’application Contrôle d’intégrité du PC pour améliorer les performances de votre appareil.

Microsoft Editor uses enhanced proofing tools for Microsoft 365 subscribers. Identify spelling, grammar, and stylistic issues within your documents.

Windows 11 N: Select the Start button, then select Settings > Apps > Optional features.. Select View features next to Add an optional feature, and then select the Media Feature Pack in the list of available optional features.

Windows에서 Bluetooth 문제를 해결하는 방법을 알아보세요. Bluetooth 장치 또는 액세서리 연결 문제를 해결하세요.

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

OneDrive for Business provides one place to store, share and sync your work or school files.