Default [Q] How to Install a zip rom

Hi, I did everything to install a custom rom on my cellphone, I rooted, bootloader unlock, and recovery, now I have to install the rom but in top guide it say to search the file boot.img, or a FTF file, but in the room that I have I can't find any of this files, inside the zip file i have:
fix_permissions(white file)

my cellphone is an xperia s jelly bean (official rom)
Help me please!