ViaPEme is a software developed at EPFL in the laboratory LRESE
Please read the paper related to it for full understanding (Y. K. Gaudy and S. Haussener, 2019, in review)

Install the software using the installer ViaPEma_installer.exe as administrator.
Matlab runtime is required and will be installed on your computer, which can take several minutes.

Once the installation is finished open ViaPema.

Different folders containing IPCE measurements and complex refractive index were included in the zip file. 
You can use these data together with the PDF file (Input_parameters_table.pdf) containing all the other parameters required to run the calculation.  