Unlock/update FL Studio – Open FL Studio and from the top-left menus select ‘HELP’ (or ‘?’ in FL Studio 12) then ‘ About…‘, at the bottom of the list. On the ‘About’ pop-up enter your account email and password then click ‘ Unlock with file ’.Copy the ‘ FLRegkey.Reg‘ file to your non-internet connected computer (or to the computer where the about panel login method does not work).Download the ‘ FLRegkey.Reg‘ file from your Image-Line Account on a computer or device with Internet access.