Barbershop demo was created under cygwin on a windows laptop. The CYGWIN is installed as per the directions provided in the course material "Cadmium User Manual" 1) Open a cygwin prompt 2) Clone the using command i.e, git clone https://github.com/SimulationEverywhere/Cadmium-Simulation-Environment 3) Change the directory cd Cadmium-Simulation-Environment/DEVS-Models 4) unzip the folder there 5) run command i.e, make clean;make all 6) change directory using ' cd bin/' to execute coupled components: 7) execute file ./BARBERSHOP.exe ../input_data/input_barber_0_1st.txt to execute atomic components: 8) ./RECEPTION.exe 9) ./CHECKHAIR.exe 10) ./CUTHAIR.exe Atomic components are present in atomic folder with names like checkhair.hpp, cuthair.cpp, reception.hpp. Top model is present in top_model folder with name OUTPUTS the .txt files have been created in simulation_results folder for all models which we have executed.