I have final fantasy VII on my playstation and i just beat it after doing all the sidequests....

...but i want to play it again! As in start over but tweaking some things...so i want to play it on the PC

how can i play it on the PC? Do i really have tog o out and buy that version? =/ i have the pC version but im missing the first disk...* sigh *

and also if i can manage to get this to work, anybody know a place to get good editors? Thanks!