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 2024, Office 2024 for Mac, 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
KB5012170: Security update for Secure Boot DBX - Microsoft Support
Issue. Next step. If BitLocker Group Policy Configure TPM platform validation profile for native UEFI firmware configurations is enabled and PCR7 is selected by policy, it may result in the update failing to install.. To view the PCR7 binding status, run the Microsoft System Information (Msinfo32.exe) tool with administrative permissions.
Downloads for Windows - Microsoft Support
Visualizations for Windows Media Player. Windows Media Player plug-ins. Desktop themes and wallpapers Visualizations are colors, shapes, and patterns that move to the music in Windows Media Player Now Playing mode.
Windows 7 system requirements - Microsoft Support
Product functionality and graphics may vary based on your system configuration. Some features may require advanced or additional hardware. PCs with multi-core processors:
Internet Explorer help - Microsoft Support
Internet Explorer 11 support ended. Support for Internet Explorer 11 ended on June 15, 2022. If any site you visit needs Internet Explorer, you can reload it with Internet Explorer mode in Microsoft Edge.. Get started with Microsoft Edge
Update your Microsoft account if you’re moving to a new country or ...
Your Xbox profile information: Your gamertag, unlocked achievements, and the rest of your Xbox profile info moves with you. Your Xbox subscription: Any time left on your Xbox subscription, such as Xbox Game Pass, will move with your account to the new country/region.
Xbox Insider Home | Xbox Support
For Insiders The Xbox Insider Program was built for you! On PC, Xbox console, or mobile, you can get early access to new games and features, join playtests with our developer partners, and provide valuable feedback to help shape the Xbox experience.
Windows Installer 4.5 is available - Microsoft Support
The following new and improved features have been implemented in Windows Installer 4.5. Multiple package transactionIn a multiple package transaction, you can create a single transaction from multiple packages.
Windows 11版本 23H2 更新历史记录 - Microsoft 支持
Windows 11 版本 23H2; 2024 年 9 月 26 日 - KB5043145（OS 内部版本 22621.4249 和 22631.4249）预览版; 2024 年 9 月 10 日 - KB5043076（OS 内部版本 22621.4169 和 22631.4169）
在 Microsoft Edge 中添加、关闭或删除扩展 - Microsoft 支持
扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。