The 2014 reboot is available on the PlayStation Store and Xbox Store.

Archives containing textures, sounds, and levels used by the game engine. Where to Acquire Strider Safely

Capcom often includes the original 1989 arcade version in official bundles like the Capcom Arcade Stadium. STRIDER™ / ストライダー飛竜® on Steam

The core game data (e.g., .nes for NES or a set of .zip files for MAME/Arcade emulation).