Based on six Steam releases with all language depots included: 39 GB, thanks to Christsnatcher!
Christsnatcher’s cracks applied over original 5 games, SSE by syahmixp applied over H&D
Missing Russian text/voice/videos localizations (1.3 GB) added
100% Lossless & MD5 Perfect: all files are identical to originals after installation
NOTHING ripped, NOTHING re-encoded
Selective Download feature: you can skip downloading and installing of: 5-pack (original games on PainEngine), H&D standalone game, optional videos for 5-pack, bonus content of H&D
Significantly smaller archive size (compressed from cumulative 40.3 to 3.5~11 GB for any single language, depending on selected components)
Installation takes 5-20 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 29.3 GB
Read the “Language Switching” below for details on that topic
Repack uses XTool library by Razor12911
At least 2 GB of free RAM (inc. virtual) required for installing this repack
Operating System: Windows XP SP3
Processor: Intel Core 2 Duo @ 2Ghz / AMD Athlon 64 X2 equivalent
RAM: 2 GB
Video Card: NVIDIA GeForce 8600 / ATI Radeon HD 2600XT (256 MB)
DirectX: 9.0c
HDD Space: up to 29.3 GB (all six games)