Those files you can write to ECU with any tool which has EDC15M writing option - like KESS , Galleto ,KWP2000 etc.
For writing PSG16 files to ECU you need TECH2 tool or OPEL CAN FLASHER.
All files is 1024 KB length . If you need file length 896KB for OPEL CAN FLASHER, you need simply cut end of file with any HEX editor. Or you can ask me to do that :) If you don't know how write moded file with TECH2 , you can request Step by Step instruction how to do this ( for buyers only ).
If you need original file by VIN number of your car you need to write VIN number to TEXT field in Product customization tab > Enter SAVE button > add this product to cart and confirm order .