refers to the initial release of the game by the scene group CODEX on October 28, 2021. This version represents the retail "Day One" build of the game before subsequent seasonal updates and expansions. Technical Overview Version Number: 5.0.7274.0.
Many repacks based on this CODEX ISO allow for selective downloading of 4K HDR Videos , which can significantly reduce the initial download size to roughly 15–28 GB. Included Content Age of Empires IV (v5.0.7274.0) [CODEX]
Approximately 86–87 GB when fully installed. refers to the initial release of the game