Find your Windows product key - Microsoft Support
Learn how to find a Windows product key for activation, and when you'll use a digital license instead.
Applies To:
Microsoft account dashboard
Use the System File Checker tool to repair missing or corrupted system ...
Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.
Windows 11, version 23H2 update history - Microsoft Support
Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)
Installing Microsoft Defender - Microsoft Support
Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Find your Office product key - Microsoft Support
Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
从 Xbox 主机进行购买时出现错误 PBR9012 | Xbox Support
了解如何修复错误 PBR9012，以便可以从 Xbox 主机进行购买。 ... 请与你的金融机构或信用卡公司联系，查询你的购买许可以及你是否有权使用支付选项进行在线购买。 ...
Windows keyboard tips and tricks - Microsoft Support
Learn new and useful keyboard features, tips, and tricks for Windows with this overview from Microsoft Support.
Media Feature Pack for Windows 10/11 N (September 2022)
Learn how to install the Media Feature Pack for Windows 10/11 N editions (September 2022).
Comment se connecter et se déconnecter d’Outlook.com
Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.
Applies To:
Outlook.com