If you still want a for old hardware / offline play, follow this technical safety guide .
When downloading games from online sources, make sure to:
Many communities classify the original 2000 release as (software no longer sold or supported by the publisher). For personal backup purposes, downloading a repack exists in a gray legal area. To support the developers, consider buying the Age of Empires II: Definitive Edition —which includes The Conquerors and much more—but for offline portable gaming, the classic version remains popular.