My specs, I5 @ 2.4Ghz, 16GB RAM, HD6750M, Windows 8.1 were enough to run the 1.6 version of the game quite fast. Now for change area i have wait 1 min 20 sec for change i link my output.txt.I want finish the game there is a possibility to remove the 2.0 patch and play with 1.06 on steam??