scSTREAM .Thermo-fluid (CFD) software has serviced the electronics and architectural industries for 30 years. The ever-evolving software is characterized by its overwhelmingly user-friendly interfaces and high-speed processing. HeatDesigner is developed base around the fundamental feature of scSTREAM and it is specially designed for the thermal use of electronics products. HeatDesigner provides physical functions required specifically for thermal design with its simple interfaces and robust computing performance, as a result scSTREAM & HeatDesigner one of the best High-end CFD Softwares inside the word