As for your original question if you reinstall by downloading from Steam you 'll always get the latest version , if you have the disc you can install from there 12.0. 0 .
You 'll need to turn off Steam updates .
As for your original question if you reinstall by downloading from Steam you 'll always get the latest version , if you have the disc you can install from there 12.0. 0 but you 'll need to turn off Steam updates .