Fix sound or audio problems in Windows - Microsoft Support
Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).
File sharing over a network in Windows - Microsoft Support
To share a file or folder over a network in File Explorer, do the following: Right-click (or long-press) a file, and then select. Select a user on the network to share the file with, or select. If you select multiple files at once, you can share them all in the same way.
Account help
Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.
激活 Office - Microsoft 支持
选择下面的 Microsoft 365 版本，了解如何激活 Microsoft 365。. 激活 Microsoft 365 或非订阅版本的 Office. 激活预安装在新 Windows 设备上的 Office. 激活新 Windows 设备上包含的 Office 购买或产品/服务. 从 Microsoft 工作区折扣计划激活 Office. 激活一个全新的 Office 产品密钥. 解决 ...
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 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, Office.com, Project for Office 365
KB5020276—Netjoin: Domain join hardening changes
The owner of the computer account that is being reused is a member of the "Domain controller: Allow computer account re-use during domain join." Group Policy setting. This setting requires the installation of Windows updates released on or after March 14, 2023, on ALL member computers and domain controllers.
June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)
REMINDER The following editions of Windows 10, version 21H2 are at end of service today, June 11, 2024: - Windows 10 Enterprise and Education. - Windows 10 IoT Enterprise. - Windows 10 Enterprise multi-session. After that date, these devices will not receive monthly security and quality updates.
Troubleshoot problems with cloud gaming | Xbox Support
Troubleshoot problems with cloud gaming. To see where cloud gaming is currently supported, see the “Cloud gaming (Ultimate only)” column in: Xbox Supported Countries/Regions. Most audio and video issues experienced during cloud gaming are caused by problems with the network connection.