So 146gb install and got down to 68.1gb file with the steam DSG as used GOG for four games and got 39.46 from 76.49 install but lot ISDONE.DLL errors on that and this steam one installs same errors after few minutes.
And this my system Pic.
https://imgur.com/R5TFT6G
Error pic tried make bigger but you get idea
https://imgur.com/MOEh88h