Did u know how fix it?

I have followed the steps that your page indicates, such as installing piry and executing it, waiting for the cmd to download completely and once finished, creating a shortcut for t6rmp and t6rzm, but when I run both, I get the background of BO2 as that is loading and the cmd of the BO2 does not execute anything, it remains black. That is to say that when executing it the game does not run, it stays loading without putting any errors of the game or installation or anything else.