You update the game with clelands mod exactly the same as updating the game with the original TWD160.BIN file.
Copy the cleland bin file to and empty USB stick (fat32 formatted) and update the game as per instruction in the coindoor.
HEre is a video: make sure you say NO to verify
(start around 1:18 and of course this is the PRO code not LE but same process)
Quoted from Coolpinballdino:Trying to download the cleland code for my TWD pro. Everything seems to go fine download the code but when I put it in the game nothing happens I can't seem to figure out what I'm doing wrong any help thanks.