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Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

If you need to update your email account settings or set up your email account in Outlook manually, use the following steps.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

This article shows you how to use the Fn key and the F lock key.

How to set up Xbox Cloud Gaming on a Steam Deck device using the Microsoft Edge browser.

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.