Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Learn how to make items on the screen appear larger by using Magnifier in Windows.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.