Right-click on the SaveGame.sav file and choose 'Add file'. Then find your newly eddited save file. Click 'Yes' to overwrite the old save, then click 'Done'. Lastly, click on 'Save Changes'. And finally, start up Borderlands 2, plug your thumbstick in, and choose the save from it.
A much simpler thing it will allow you to do is kick a character straight to TVHM. Once you've gotten your hands on the editor feel free to make a new character in game and then quit out and exit the game for a bit. Load up the editor and look through the saves to find the character you just made. General Tab. Jan 24, 2013 · 1. Open Horizon 2. Select your save file and extract it to your preferred location on your PC. Optional: Make a backup of your save 3. Drag and Drop the Save0000.sav file into Horizon 4. Click the "Contents" tab and extract the SaveGame.sav file. 5. Open Gibbed's vI3hRO.