So this may be a silly and or obvious question but please help. So I paid for this game god knows how long ago now(I.e well before the name change), and I recall there being a key to enter, I have recently reinstalled windows and thus the conditions whereby installing the new version won't cause a need to reenter it are no longer applicable, and with looking at everything that will be included in the new release I definitely want to have no issues when I fire it up again. So effectively do I have to try and dig through several years worth of emails, and hope I wasn't an idiot and deleted it, or is there another way I can go about getting it up and running again?