4smith20

hi i resintly desided it would be a fun change to play final fantasy 7 agen after looking on ebay for a ps1 copy i desided 40$ is alittle steap i desided i would just reinstall my pc copy but it wont let me sayes the system file is not suitable for running MS_dos whitch i find alittle strange becaus im almost shure i had it running on windows xp befor if any one has any ideas on how to fix this problem that would be great Thanks