Complex sentence: It featured a redesigned setup routine, a redesigned Help & Support Center (the previous versions were lifted from Windows Me), and some UI tweaks, and was also the first build to use Dynamic Updates, a new Setup feature.
Split into simpler sentences: It featured a redesigned setup routine, a redesigned Help & Support Center (the previous versions were lifted from Windows Me), and some UI tweaks. It was also the first build to use Dynamic Updates, a new Setup feature.