Find everything you need to manage your Xbox account, profile, and more.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

Try it! Create and send an email, reply to an email message, and forward one. Create and send an email. Select Home > New Email.

选择 “启动 > 设置 > 系统 > 恢复 > 高级启动”，然后选择“ 立即重启”。 电脑重启后，你将看到一个显示“选择”选项的屏幕。 > 重启 > UEFI 设置 > 高级选项 进行故障排除 。

Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

For all Surface models Before you start, make sure you don’t have any other USB devices connected to your Surface, including USB mouse devices, keyboards, or other storage drives.

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。

We would like to show you a description here but the site won’t allow us.

Examples To view your System Information, type: msinfo32 To create an .nfo file in the folder C:\Temp with a name of Test.nfo, type:. msinfo32 /nfo C:\TEMP\TEST.NFO To create a .txt file in the folder C:\Temp with a name of Test.txt, type:. msinfo32 /report C:\TEMP\TEST.TXT To view System Information from a remote computer with a UNC name of BIGSERVER, type: