HALF LIFE 2 question (not a crack request)

[FarCry]

i opened the steam.msi open with orca. there are the files which they are extracted in the specified folder mentioned in the next column. now the point is how can i replace all of the files which are probably in a cab file named w1.cab which is mention in the msi using this msi profile. i can make a cab named w1.cab with all of the files to be extracted how can i alter the files within msi installation like ultraiso which you can make what ever you want to an iso image