Age of Empires II: HD Edition (now officially renamed to Age of Empires II (2013)) reached its final official state with Patch 5.8 in September 2018. Portable versions typically bundle the base game, its expansions, and the latest patches into a standalone folder that doesn't require a standard installation. Key Features of Version 5.8

: Increased unit selection limits from 40 to 60 and added a maximum population cap of 500. Steam Integration

Cons:

Coinage & Banking: Research requirements moved up to Castle Age and Imperial Age, respectively.