Once executed, you have to input your login and that's it.
First all, you need to have Ruby programming language installed.
Linux (Ubuntu 18.04)
sudo apt install ruby-full
MacOS Check out this site https://stackify.com/install-ruby-on-your-mac-everything-you-need-to-get-going/
Windows Check out this site https://rubyinstaller.org/
You need to install the following gems in order to run the these scripts
Nokogiri
gem install nokogiri
Rest-Client
gem install rest-client
Open-uri
gem install open-uri
FileUtils
gem install fileutils
Mechanize
gem install mechanize
Progress_bar
gem install progress_bar
And that's it.