Get help for the account you use with Microsoft and learn how to set up, protect and manage your services and subscriptions.

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

Note: The Phone Link doesn't currently support multiple Android profiles or work/school accounts. How to link your devices starting from Phone Link Make sure to have both your PC and Android device nearby, turned on, and connected to the same Wi-Fi network.

Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn how to create and add a signature to email messages you send in Outlook.com.

Learn how to find which version of Windows operating system your PC is running and device specifications.