Microsoft has rolled out original Xbox backward compatibility for Windows PCs. This means that games from the original Xbox, which debuted in 2001, can now be played directly on a Windows machine using the Xbox app. Why Original Xbox Games Are a Big DealThe original Xbox boasted a library of about 1,000 games, many of which haven’t been available on modern hardware. — YouTube comment on Xbox announcement videoWhat To WatchCatalog expansion: Microsoft hasn’t provided a timeline for adding more original Xbox titles. Third-party licensing: Some original Xbox games involve publishers that no longer exist or have changed hands.