If The Vile Lair was installed second, XX becomes 02 and so on indefinitely. Usually found in the BaseID or RefID of items or characters, these first two numbers change depending on the order of installation or the order the of ESP files in the data files section of the game launcher.įor instance, installing The Elder Scrolls IV: Knights of the Nine onto a computer with Oblivion sets XX to 01. ' XX' in regards to console commands denotes that the object is from an official plugin (also known as DLC).