Yesterday, while cleaning up my media center, I found my copy of Ratchet & Clank: Into The Nexus, which I bought sometime before Christmas last year. I had been pretty excited about this game pre-release, what with it being the first "traditional", albeit shorter than usual,...
Right click notepad and select "Run as administrator"
From notepad click Open and find
"C:/Program files/2K Games/Borderlands 2/DLC/POPremierClub/Lic/W illowDLC"
Edit "+numkeys=1" Turn it into "+numkeys=255"
Save and open Borderlands 2 and now you have enough keys to spend for a lifetime!