Since you have these problems i would suggest that you turn off your computer, open your computercase and makes sure your NEW hardrive (that you want to install a NEW Windows 10 to) is connected to your motherboards SATA 0 (Zero) and the second (old) harddrive temporally NOT connected at all!
Then you install your Windows (check [REMOVED BY ADMIN] for extra help) and create a ADMIN-account.. and a personal account for yourself (only amateurs use the computers only admin-account) and log on to that account (to create the profile and stuff)
Then you turn off your computer, connect your old harddrive to the highest SATA-connector (usually SATA 5 or 6)..
Start your computer, logon with your Administrative account, take ownership of your...