How does Win10 uninstall the update to resolve the crash after installation update, incompatibility issue

After the Win10 preview release, Microsoft released updates based on feedback from test users to improve Win10 system functionality. However, after a user has installed the latest update, there are problems such as frequent system crashes and poor application compatibility. According to this reflection, Microsoft has released the "Uninstall Preview Update" function. How to use this feature?
You just need to hold down the Shift key, and then click the Start menu “ Shutdown option >; restart & rdquo; restart the computer, you can enter the WinRE (Windows Recovery Environment) interface as shown below:

Click on the "Troubleshoot" option to enter the "Troubleshooting" interface. Figure:

Click on the "Uninstall Preview Update" button to open the "Uninstall Preview updates" interface. As shown in the figure:

Click the “Uninstall Uninstall” button to uninstall the update, which will resolve the crash and compatibility issues caused by the update of the Win10 Technology Preview.
When you install the update, if there are frequent system crashes, poor application compatibility, etc., as described in this article, use the "Uninstall preview update" function by entering the WinRE interface. After uninstalling the update, problems such as frequent system crashes can be solved.