在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
准备好安装了吗? 在开始之前,请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥,只需重新安装应用,或者知道你已通过工作或学校分配了许可证,则可以跳到登录部分 ,下载并安装 Microsoft 365 或 Office。 但是,如果是 首次 安装 Microsoft 365 或 Office,可能需要先执行一些步骤。
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
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在 Windows 中配对蓝牙设备 - Microsoft 支持
在开始之前,请确保Windows 11电脑支持蓝牙。 有关如何检查的详细信息,请参阅修复 Windows 中的蓝牙问题。 如果需要帮助添加没有蓝牙功能的设备,请参阅将设备添加到 Windows 电脑。. 打开蓝牙
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Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态,以及链接Microsoft 帐户。
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Sync the files in your Microsoft 365 or Microsoft SharePoint site libraries so they’re always available on your computer, even when you’re offline.
Applies To: SharePoint in Microsoft 365
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Applies To: Microsoft Teams