Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Set screen time limits across devices - Microsoft Support
Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.
Applies To:
Microsoft Family Safety
KB5025885: How to manage the Windows Boot Manager revocations for ...
IMPORTANT You should apply the Windows security update released on or after July 9, 2024, as part of your regular monthly update process.. This article applies to those organizations who should begin evaluating mitigations for a publicly disclosed Secure Boot bypass leveraged by the BlackLotus UEFI bootkit.
What is: Multifactor Authentication - Microsoft Support
Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.
下载Microsoft Authenticator - Microsoft 支持
使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。
How to redeem Microsoft Rewards points - Microsoft Support
Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.
Applies To:
Microsoft account dashboard
Create a form with Microsoft Forms - Microsoft Support
Learn how to create survey forms with Microsoft Forms and easily share them with students, parents, and colleagues.
Applies To:
Excel for the web, OneNote for the web, OneDrive (work or school), Microsoft Forms
Office Help & Training
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将 Windows 电脑用作移动热点 - Microsoft 支持
通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。
Temporarily allow cookies and site data in Microsoft Edge
Learn how you can manage cookies and site data you've temporarily allowed in Microsoft Edge.