Use the gp32000 decrypted exe available from the downloads area, set the compatibility to XP SP2 or win 95 and run in admin mode, do the same for the edit program although from memory it wont run in 64 bit afaik.
[
www.mediafire.com] Some say you should click it, you know you want to.
[
www.gp4central.com] <----GP4 Central