Doom 3 - How to update to v1.3.1 HD

Doom 3 - How to update to v1.3.1 Doom 3 v1.3.1 Patch: http://www.mediafire.com/download/yaixhy6d291okr3/DOOM3_1.3.1.exe Double click on "DOOM3-1.3.1". Click next, Check Accept, Next. You will get the option to download PunkBuster for Co-op, your choice. Next, Next, Install where you want. 'I recommend installing it in desktop' Uncheck Run Doom3 1.3.1, Finish. Open Doom 3 1.3.1 Patch file and Copy all contents. Paste contents in the old Doom 3 folder. Your done, double click to play.