Download and install vagrant from https://www.vagrantup.com
Install github desktop app or use the command line.
Ask for permission for the repository.
Get the repository https://github.com/liorsaar1/slate.git .
Download and install virtualbox from https://www.virtualbox.org/
Go inside the local git directory where the files are, then into a dir called vagrant inside it:
vagrant up
vagrant ssh
cd blockstack
middleman serverSite is at: http://localhost:4567.
Editing the files in the local git directory, changes should be reflected in the site as served by localhost.
Press control-C and type exit to quit the SSH session.
To shut down VMs, use terminal to go to vagrant directory and enter:
vagrant halt