August 13, 2024—KB5041571 (OS Build 26100.1457) - Microsoft Support
Windows 11, version 21H2; October 8, 2024—KB5044280 (OS Build 22000.3260) September 10, 2024—KB5043067 (OS Build 22000.3197) August 13, 2024—KB5041592 (OS Build 22000.3147)
How to install the latest version of DirectX - Microsoft Support
Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.
2024 年 9 月 10 日 — KB5043076 (OS 内部版本 22621.4169 和 22631.4169)
Windows 11 版本 21H2; 2024 年 9 月 10 日 - KB5043067（OS 内部版本 22000.3197） 2024 年 8 月 13 日 - KB5041592（OS 内部版本 22000.3147）
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Activate Office - Microsoft Support
Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.
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 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 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 Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
2024 年 8 月 13 日 — KB5041580 (OS 内部版本 19044.4780 和 19045.4780)
Windows 10 版本 2004 和 Windows Server 版本 2004 更新历史记录; 终止服务声明; 2021 年 12 月 14 日 - KB5008212（OS 内部版本 19041.1415、19042.1415、19043.1415 和 19044.1415）
2024 年 8 月 13 日 — KB5041585 (OS ビルド 22621.4037 および 22631.4037)
Windows 11 バージョン 21H2; 2024 年 9 月 10 日 — KB5043067 (OS ビルド 22000.3197) 2024 年 8 月 13 日 — KB5041592 (OS ビルド 22000.3147)
Reset a forgotten Microsoft account password
Notes: If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password. If you know your username and password but they have stopped working, read My username and password have stopped working.
Applies To:
Microsoft account dashboard
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Find your BitLocker recovery key - Microsoft Support
A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.