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
如何更改 Microsoft 帐户上的出生日期 - Microsoft 支持
如何更改成人 Microsoft 帐户上的出生日期. 使用要更新的帐户凭据编辑 Microsoft 帐户配置文件。 登录
Applies To:
Microsoft account dashboard
How your PC gaming account relates to your Microsoft Store account
When you sign into the Xbox PC app, the Microsoft account associated with your Xbox profile will be used in the Xbox app for access to Xbox Game Pass and all other purchases, including rights to purchased games.
اقتران جهاز Bluetooth في Windows - دعم Microsoft
قبل البدء، تأكد من أن جهاز الكمبيوتر Windows 11 يدعم Bluetooth. لمزيد من المعلومات حول كيفية التحقق، راجع إصلاح مشاكل Bluetooth في Windows.إذا كنت بحاجة إلى مساعدة في إضافة جهاز بدون قدرات Bluetooth، فشاهد إضافة جهاز إلى كمبيوتر Windows.
Solucionar errores de Reproductor multimedia de Windows
Obtenga información sobre cómo solucionar errores de Reproductor de Windows Media. Explore recursos para obtener ayuda general con Reproductor de Windows Media.
Import Gmail contacts to Outlook - Microsoft Support
Contacts can be exchanged between Outlook and Google Gmail to save time and avoid manually re-entering your contacts.
Applies To:
Outlook 2016, Outlook 2013
在更换硬件后重新激活 Windows - Microsoft 支持
在 Windows 11 中，必须将 Microsoft 帐户与设备上的 Windows 11 数字许可证联系起来。 通过将 Microsoft 帐户与数字许可证链接起来，即可在进行重大硬件更改时使用激活疑难解答程序重新激活 Windows。
How to play MP4 files in Windows 10 - Microsoft Support
Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.
Protect yourself from phishing - Microsoft Support
Learn how to identify a phishing scam, designed to steal money via fake emails.
Set up the Microsoft Authenticator app as your verification method
Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.