修复 Office 应用程序 - Microsoft 支持
修复损坏的 Office 应用安装。 根据 Office 安装类型 (即点即用或基于 MSI 的) ，你将看到以下选项以继续修复。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, InfoPath 2013, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Windows 中的恢复选项 - Microsoft 支持
了解 Windows 中的恢复选项。 查明如何重置电脑、回退到以前版本的 Windows 或使用介质重新安装 Windows。
January 9, 2024—KB5034122 (OS Builds 19044.3930 and 19045.3930)
Windows 10, version 22H2 update history; July 23, 2024—KB5040525 (OS Build 19045.4717) Preview; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651)
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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。
Use Game Mode while gaming on your Windows device
Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.
Microsoft Dynamics 365 On-Premises Cumulative Updates
INTRODUCTION. This article lists the cumulative updates that are available for on-premises versions of Microsoft Dynamics 365.
Windows 10 更新历史记录 - Microsoft 支持
Windows 10 版本 22H2 更新历史记录; 2024 年 7 月 9 日 - KB5040427（OS 内部版本 19044.4651 和 19045.4651） 2024 年 6 月 25 日 — KB5039299 (OS 内部版本 19045.4598) 预览版
在 Windows 中如何获取帮助 - Microsoft 支持
以下是查找 Windows 帮助的多种不同方法: 搜索帮助 - 在任务栏上的搜索框中输入问题或关键字，以查找应用、文件和设置并从 Web 获取帮助。
Help in Notepad - Microsoft Support
Get quick answers to common questions and learn how to use Notepad effectively with Microsoft Support.
Internet Explorer help - Microsoft Support
Support for Internet Explorer 11 has ended on June 15, 2022. Make the switch to Microsoft Edge to experience the web in a whole new way.