Needs more than 10 words really. Check your "Watch_Dogs\data_win64" folder for patch.dat - delete it if its there so you know things have worked. You've down loaded the big 0.8 rar? Extract it anywhere Open the config file located where you extract stuff to "WDT_Data/config/WDTConfig.cfg 3-Place your Game_Path For example Game_Path=C:\Program Files (x86)\Steam\steamapps\common\Watch_Dogs\ SAVE Then run the wdtool. Choose your settings. CLICK THE APPLY ICON - this takes a while check Watch_Dogs\data_win64 folder for a new patch.dat file (this will let you know its worked) run the game. That's how I did it.