These are for general play. They are unstable, unfinished, and often broken internal builds meant for preservation and research. Running these requires technical knowledge and specific hardware (or emulators), and they will not provide a representative gaming experience.
Since a demo is unavailable, you can find the full game on these platforms: Frequently on sale for under $5. GOG : Includes a DRM-free version. Batman Arkham Origins Demo Download Pc 13
Legal and safety considerations for downloading demos today These are for general play
Combat received a tweak with faster, counter-heavy enemies that require quick reflexes, making the FreeFlow combat system feel dangerous and fresh. Conclusion: Skip the Demo, Grab the Full Game counter-heavy enemies that require quick reflexes