Based on Steam v46777 release with CODEX crack/emu pre-applied: 12.1 GB, thanks to laikexpert!
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 voicepack with all non-English languages (English is included by default)
Smaller archive size (compressed from 12.1 to 6.1/6.5 GB, depending on selected languages)
Installation takes: ~15-45 minutes (depending on your system)
After-install integrity check so you could make sure that everything installed properly
HDD space after installation: up to 12.1 GB
Language can be changed in game settings
Repack uses XTool library by Razor12911
At least 2 GB of free RAM (inc. virtual) required for installing this repack

Welcome back to history. The strategy game that launched a 20-year legacy returns in definitive form for Steam. Age of Empires: Definitive Edition brings together all of the officially released content with modernized gameplay, all-new visuals and a host of new features.

Experience an epic game of empire-building and conquest. Engage in over 40 hours of updated campaign content with new narration and pacing.

Relive history with remastered graphics and sound. Experience 4K visuals and a new orchestral soundtrack.

Build your empires and prepare for battle. Jump online in up to 8-player battles with new competitive features and modes.