Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

We recommend always having the latest version of Windows installed to make sure you get the best experience with the Phone Link .

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

Learn how to earn Microsoft Rewards points when you browse the web with Microsoft Edge, search on Bing.com, and more.

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 download and install apps you need from your Microsoft 365 business subscription.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.