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

You can view your Xbox purchase history on your Xbox console or the web. Use the steps below to review your info or get help with a charge that you don’t recognise.

If you're troubleshooting Office and would like to remove the license files on your Mac, you can use the license removal tool. This will completely remove all licenses for Microsoft 365 for Mac.

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

此针对 Windows 11 版本 25H2 和 24H2 (KB5094126) 的累积更新包括最新的安全修补程序和改进，以及上个月可选预览版的非安全更新。 有关此版本的最新状态，请访问 Windows 版本运行状况仪表板。

Omega Ring (2607.260622-2200) Hey XBOX Insiders! We are releasing a new XBOX Update Preview to the Omega ring today. Continue reading below to learn all about what's included with this update.

개선 사항 이 업데이트에는 다음 업데이트의 일부인 새로운 기능 및 품질 개선 사항이 포함되어 있습니다. 2026년 5월 12일 — KB5089549 (OS 빌드 26200.8457 및 26100.8457) 2026년 5월 26일 — KB5089573 (OS 빌드 26200.8524 및 26100.8524) 이 업데이트는 다음 가이드에 설명된 보안 취약성을 해결합니다. 2026년 6월 보안 ...

Get answers to common questions about Xbox Game Pass, including plan differences, how to manage your subscription, game availability, family sharing, multiplayer access, and troubleshooting tips.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

Xbox Support ... Xbox Support