Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Support for Windows 10, Office 2016 and Office 2019 has ended on October 14, 2025. Learn more about your options for Windows 10 or for Office.

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

See how Xbox cloud gaming works on Android, Apple, and Windows devices, as well as Xbox consoles and smart TVs.

联系 Microsoft 支持人员。查找常见问题的解决方案，或从支持专员那里获取帮助。

Learn how to cancel Xbox subscriptions, manage recurring billing, and stop future charges while retaining benefits until the subscription expires.

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

Learn how to redeem prepaid codes for Xbox games, subscriptions, or downloadable content using your account.

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

了解如何註冊您的 Xbox 產品，以便您要求和追蹤維修服務、查看您的保固服務，以及購買延長保修計劃。 還有取消註冊和取消 ...