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

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

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

Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.

System requirements and setup steps for the Phone Link app

Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.

Windows 11, version 23H2 ; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880) June 25, 2024—KB5039302 (OS Builds 22621.3810 and 22631.3810) Preview

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

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

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。