Complex sentence: The Flash version of "Flow" received 100,000 downloads in its first two weeks, by July 2006 had been downloaded over 650,000 times, and by February 2008 had been played over 3.5 million times.
Split into simpler sentences: The Flash version of "Flow" received 100,000 downloads within its first two weeks of release. By July 2006, it had been downloaded over 650,000 times, and, by February 2008, it had been played over 3.5 million times.