I found it, having to use an archive site that let me view the files -----.
In case anyone else has this rip and needs to know
Disc 1A
Play the game normally and after you defeat the boss on the plane, save your game and change the disc to 1B, do not go to the truck near of the mine before change the disc.
Disc 1B
-Play the game normally.
Disc 2A
-After you defeat the boss(Kimberly clone) in the "Forest Hut", talk with kimberly some times an she will give to you the small key, get out of the house(forest hut) and go to "Brenner Pharmaceuticals inc", solve all puzzles, after you can save your game and change to the disc 2B.
Play the game normally.
Disc 2B
-Play the game normally.
-You can return to "Forest Hut" and "Brenner Pharmaceuticals inc" any time.
Disc 3A
-Play the game normally, do not enter in Martha house,
when you need to enter there, save your game and change the disc to disc 3B.
Disc 3B
-Play normally, defeat the boss on martha house, and change the disc to disc 3C before you go to the pit, remember, save your game before.
Disc 3C
-Play the game normally.
Disc 4
-Play the game normally.