排查Windows 媒体播放器错误 - Microsoft 支持
Windows 媒体播放器是 Windows 附带的内置多媒体播放器。 虽然它是一个可靠且广泛使用的应用程序，但用户可能会不时遇到错误和问题。
Stream HDR video on Windows - Microsoft Support
Learn how to turn on HDR video streaming to watch high dynamic range (HDR) content on your Windows PC.
Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.
How to download and install the latest printer drivers
Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.
How to get help in Windows - Microsoft Support
Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.
Returning items you bought from Microsoft for exchange or refund
Learn how to receive a refund or exchange for items purchased from Microsoft.
Applies To:
Microsoft account dashboard
OneDrive release notes - Microsoft Support
Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Restablecer una contraseña olvidada de una cuenta de Microsoft
Aprenda a restablecer o cambiar la contraseña de su cuenta Microsoft. Obtenga ayuda con una contraseña de cuenta de Microsoft olvidada.
Applies To:
Microsoft account dashboard
Office Help & Training
We would like to show you a description here but the site won’t allow us.
April 9, 2024—KB5036893 (OS Builds 22621.3447 and 22631.3447)
Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)