Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

Tip: If you have a Microsoft 365 Family subscription, people you've shared the subscription with can also set up a personalized email address with your connected domain.After you've set up your domain, people you've shared with will see an option to add a personalized email address in the premium features section of Outlook settings.

Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

开始之前. 确保要安装 Windows 11 的设备满足最低系统要求。 如果设备当前正在运行 Windows 10，建议使用电脑健康状况检查应用验证最低系统要求。 我们不建议在不符合要求的设备上安装 Windows 11。

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

Learn how to recover files that have been lost, deleted, or accidentally changed.

Try these troubleshooting steps if Microsoft Store does not launch in Windows 10.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

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。

Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.