What's new in recent Windows updates - Microsoft Support
See what's new in recent Windows 10 and Windows 11 updates, including a chat from the taskbar, widgets, snap groups, and more.
Account has been locked - Microsoft Support
Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.
将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。
View, edit, and manage video transcripts and captions
How to use Stream's Transcripts and Captions features with video in OneDrive and SharePoint.
Applies To:
Microsoft Stream, Stream on SharePoint
Fix a missing Camera Roll in Windows 10 - Microsoft Support
What to do when the camera in Windows 10 can't take pictures because of a missing Camera Roll (errors 0xA00F4275, 0xA00F4244, 0x200F4244).
Download files from the web - Microsoft Support
Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.
What is HDR in Windows 11? - Microsoft Support
Learn about HDR capabilities in Windows 11 to bring a wider range of colors and details to your display.
How does Microsoft storage work? - Microsoft Support
Learn about the quotas and differences between Microsoft storage and email storage.
Applies To:
Outlook.com, Microsoft account dashboard, Microsoft Teams personal, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
First things to know about channels in Microsoft Teams
Learn how teamwork and communication happen in channels. A channel is a single place for a team to share messages, tools, and files in Microsoft Teams.
Applies To:
Microsoft Teams
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.