激活 Office for Windows - Microsoft 支持
当启动未激活的 Microsoft 365 应用时，系统将提示登录到 Microsoft 365。 请务必使用用于购买或订阅 Microsoft 365 的 Microsoft 帐户或工作或学校帐户进行登录。 注意: 如果新设备上预安装了 Microsoft 365，请参阅 激活新 Windows 设备上预安装的 Office。
适用于:
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