A modular wall system including a plurality of panels, each having a plurality of interconnecting sides including a top, a bottom, a first joiner edge and a second joiner edge. The first and second joiner edges of the panels each further include a pair of first and second side edge projecting profiles, the profiles each exhibiting mating and friction fitting locations such that the panels are inter-engaged in either of linear or angled extending fashion. A floor supported track is provided for seating the bottoms of the interconnecting panels.