In case you want to remove all Modern Apps for a specific user then add the - User part in above command, so it is: (thewindowsclub.com)
You can substitute the location of any program you like to add to context menu in place of the argument in the inverted commas, in above command. (thewindowsclub.com)
If the above command was successful and ADB is working you should see the service start and the terminal will display a list of devices attached. (tabletroms.com)