You can download the source from the Git Hub homepage. Alternatively clone the project using git:
~$ git clone https://github.com/dawsonjon/Chips-2.0.git
~$ cd Chips-2.0
~$ python setup.py install
Chips can automatically simulate the verilog it generates, to simulate verilog you will need the Icarus Verilog simulator. This will need to be installed in your command path.