Gold edition is 1.5 R:TW and 1.6 BI usually. Some are 1.3 R:TW and 1.3 BI however. To check go into options on the main menu. In the top right hand side of the screen there is a number. If it says 1.5 then you don't need to patch it, if it is 1.3 then you do. Good luck.