Note: In the following countries, you can cancel your subscription, and depending on the subscription length you may be entitled to a prorated refund.See Countries with prorated refunds for Microsoft subscriptions for more information. Any subscription length - Canada, Israel, Korea, and Turkey Subscriptions longer than 1 month and renewed - Denmark, Finland, Germany (purchases on or after ...

我的电脑是否已有 TPM？ 很可能你的电脑已经拥有TPM，而且如果使用年限小于 5 年，则应具有 TPM 2.0。 若要了解你的 Windows 10 电脑是否已拥有它，请转到“开始”>“设置”>“更新和安全”>“Windows 安全”>“设备安全”。如果已拥有，屏幕上将看到" 安全处理器 "部分。

本页提供 Microsoft 客服的电话号码。

联系 Microsoft Office 支持人员. 针对 Microsoft 365 的专业直接支持提供额外的咨询支持和主动服务，以帮助规划、实施、维护和优化Microsoft 365 解决方案，这些解决方案符合业务需求，并提供反应式支持来帮助你完成工作。

如果你不希望第三方站点在你的电脑上存储 Cookie，则可以阻止 Cookie。 但是执行此操作可能会导致某些页面无法正确显示，或者可能会从站点收到一条消息，通知你需要允许 Cookie 才能查看该站点。

PCs originally built with Windows 8.1 are designed with technology that is about 10 years old. Once you move to a new PC, there will be many aspects of Windows that you will find familiar, but also with important software and hardware innovations and capabilities that were not available a decade ago.

Change your default security info method. If you want text messaging to be the default method used when you sign in to your work or school account using two-factor verification or for password reset requests, you can set it from the Security info page.

We would like to show you a description here but the site won’t allow us.

You need to enable JavaScript to run this app.

检查 Xbox 服务、游戏和应用是否有任何服务中断。