Based on Steam release Build 5445189: 6.3 GB, thanks to chronos!
Goldberg emu/crack applied over
100% Lossless & MD5 Perfect: all files are identical to originals after installation
NOTHING ripped, NOTHING re-encoded
Selective Download feature: you may skip downloading and installing of English and/or Japanese voiceovers and optional localization packs (English is included by default)
Significantly smaller archive size (compressed from 6.3 to 1.2~2 GB, depending on selected components)
Installation takes 6-15 minutes (depending on your system and selected components)
After-install integrity check so you could make sure that everything installed properly
HDD space after installation: up to 6.3 GB (up to 8 GB during installation)
Language can be changed in game settings
If you install only one voiceovers pack, make sure to have it enabled in game settings before starting the campaign
Repack uses XTool library by Razor12911
At least 2 GB of free RAM (inc. virtual) required for installing this repack