Based on Steam release: 12.3 GB, thanks to chronos!
Goldberg crack/emu applied over
100% Lossless & MD5 Perfect: all files are identical to originals after installation
NOTHING ripped, NOTHING re-encoded
Significantly smaller archive size (compressed from 12.3 to 2 GB)
Installation takes from 6 minutes on 16-threads CPU to 13 minutes on 4-threads CPU
After-install integrity check so you could make sure that everything installed properly
HDD space after installation: 13 GB (19 GB during installation)
At least 2 GB of free RAM (inc. virtual) required for installing this repack
Operating System: 64 bit versions of Windows 7, 8 or 10
Processor: Intel Core i3 530 or AMD FX 4100
RAM: 4 GB
Video Card: Nvidia GTX 750 Ti or AMD Radeon R7 260X (Requires at least 2GB VRAM)
DirectX: 11
HDD Space: 13 GB (19 GB during installation)