Complex sentence: In early January 2006 Valve announced it would be selling Dangerous Waters via their Steam content delivery system, the preload began January 24 2006, and was released a few weeks later, February 7.
Split into simpler sentences: In early January 2006 Valve announced, it would be selling Dangerous Waters via their Steam content delivery system. The preload began January 24 2006, and was released a few weeks later, February 7.