Age.of.empires.definitive.edition.update.v1.3.5314-codex Fitgirl Repack ⇒

If you meant you already have the repack and need help installing the update, let me know your current game version and I can give you step-by-step patching instructions.

It sounds like you’re looking for a of Age of Empires: Definitive Edition updated to version v1.3.5314 (CODEX release). If you meant you already have the repack