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

The new digital workflow provides a more secure, reliable, and user‑friendly activation experience and helps prevent fraud. While the process has been updated, offline activation capabilities remain supported. Customers who rely on traditional offline activation can continue using it without changes to their environment. The Product Activation Portal enables activation for a wide range of ...

了解如何在移动设备、Windows 设备或 XBOX 主机上兑换Microsoft/XBOX 礼品卡或其他代码或优惠。

获取与管理你的 XBOX 订阅、帐单问题等有关的详细信息。

Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.

获取 Microsoft 365 的支持、帮助和学习资源。 使用 Microsoft 365 让你的生活井然有序、扩展你的创造力并保护重要信息。

查找Microsoft 365 订阅 如果看到 “管理 ”、“ 取消”或“更改付款” 等选项，则订阅按Microsoft计费。 如果管理选项有限或缺失，你的订阅可能由第三方管理。 如果你从 Microsoft 购买了 Microsoft 365 订阅 Microsoft订阅完全通过Microsoft帐户进行管理。 例如，如果你直接从 Microsoft (购买，则可以通过 Microsoft ...

Document processing for Microsoft 365 Document processing for Microsoft 365 provides a powerful suite of AI-powered content management and productivity services designed to help your organization transform how you handle documents and information. A flexible pay-as-you-go approach gives you access to advanced capabilities—such as intelligent document discovery, classification, analysis, and ...

如果你在 2025 年 12 月或之后从 Microsoft 商店、XBOX Design Lab或第三方零售商购买了 XBOX 无线控制器，并且该程序包不包含 AA 电池，则通过执行以下步骤，你可能有资格接收 XBOX 充电电池 + USB-C 电缆。

检查 XBOX 服务、游戏和应用是否有任何服务中断。