Complex sentence: Originally distributed freely it was commercialized and offered in both a Light (freeware) and Pro (commercial) product, it is now distributed with three modes: adware, payware (removes ads), and the classic "Light" mode.
Split into simpler sentences: Originally distributed freely, it was commercialized and offered in a Light (freeware) and Pro (commercial) product. It is now distributed in three modes: adware, payware (removes ads), and the classic "Light" mode.