1- Download the folder to
https://github.com/buonzz/vagrant-freeRADIUS
Copy to C:\Users\jkriker\Documents\vagrant\
2- Start the vagrant Box
in a cmd.exe do a change directory to C:\Users\jkriker\Documents\vagrant\
vagrant up
https://github.com/buonzz/vagrant-freeRADIUS
in a cmd.exe do a change directory to C:\Users\jkriker\Documents\vagrant\
vagrant up