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。

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.

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

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

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

Your Phone is now Microsoft Phone Link! Learn more about our recent name change for our PC and Android mobile apps.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.