Based on three releases: Steam BuildID 9470597 (MULTi5), Steam BuildID 7819875 (Italian) and Primordia_v3-DINOByTES (GOG MULTi5): 1.4 GB * 2 + 1.5 GB; thanks to Clonepopper for Steam files!
Goldberg crack/emu applied over Steam builds
100% Lossless & MD5 Perfect: all files are identical to originals after installation
NOTHING ripped, NOTHING re-encoded
You can install either one of two Steam builds or GOG DRM-free version
Selective Download feature: you may skip downloading and installing of bonus content (OST, Voiceover Session Video, Artworks, Novel & Wallpapers)
Significantly smaller archive size (compressed from cumulative 4.5 GB to 924 MB/1.3 GB)
Installation takes 2-4 minutes
After-install integrity check so you could make sure that everything installed properly
HDD space after installation: up to 1.8 GB
Language can be changed in game settings
At least 2 GB of free RAM (inc. virtual) required for installing this repack