Follow the 'installation procedure on Windows' (pdf file) to install all the requirements to run the project on your laptop.
To run the github repository on your Unity environment, download it and add the project in your Unity Hub. The Unity Editor which must be used is 2019.4.26f1(64-bit). Note that the ZED package is not included in this repository. Therefore, after you downloaded ZED plugin for Unity, follow the procedures written in the pdf file (1.3 section) to import it in this project as well.