Thanks for getting back to me Bart. I'm not technically minded. I can use the front end of the PC fine, but the guts are eft well alone. So, I ask in total naivety, if I was to make a DVD in the Media Creation Tool (hope it's straight forward ), would that not just replicate the Windows 10 Pro that is already on or do I get to select W10 home? I'm not at all sure how my father managed to install W10Pro anyway, but I#m obvbiously trying to change that to home. Am I correct that this will wipe all files currently on this PC when I run the new installation. Thanks again Billy
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