At this point it appears you are all set. You might start working, try install Docker, etc. and think everything is fine. However, you will find that some important Windows 10 Pro components are missing. An easy way to see if this did not upgrade correctly is to search for "Computer Management" and then you should see System Tools --> Local Users and Groups. If you do not see that item but your System --> About reports Windows 10 Professional something is not correct. Trying to restore these missing components with DSIM or other options did not work for me.
7. To fix this you need to Reset your PC. I know this is not what you want to do after just setting everything up but if you have tried using the PID.txt option suggested in another answer here by @daniel-b and it does not work for some reason this solution will solve this issue and it take less than an hour on a modern PC. You are working with a new empty installation now anyway so just go to Settings --> Update and Security --> Recovery --> and select Reset this PC. You do not need to select the option that says it will take hours and clean the drives.