See the following topics in this article: Advanced level requires some experience with detailed troubleshooting methods. Basic level provides common procedures that can resolve several types of upgrade errors. The article has been divided into sub-topics of different technical levels. This article contains a brief introduction to Windows 10 installation processes, and provides resolution procedures that IT administrators can use to resolve issues with Windows 10 upgrade.
Also see: Get help with Windows 10 upgrade and installation errors and Submit Windows 10 upgrade errors using Feedback Hub. The Virtual Agent can also help you to resolve many Windows upgrade issues.
To talk to a person about your issue, click Get started to interact with the Virtual Agent, then enter 'Talk to a person' two times. If you are not an IT administrator, try some of the quick fixes described in this article then contact Microsoft Support starting with the Virtual Agent. This article contains technical instructions for IT administrators.
