ok everyone, thanks again I will not mess with that and use it as is: pretty darn fast: windows operationnal in 10 seconds, my preferred game loads in 50 % seconds less !
potjevleesch, Did you still need a solution, or are you happy as things are? If still having issues see my Guide here: https://forums.mydigitallife.net/threads/guide-how-to-migrate-your-os-to-a-new-ssd.78563/
Hello ! as quoted in ma last post, I am happy with the things as they are, thanks to the nice people who answered my question.