Install composer on your machine : https://getcomposer.org/download/
Run $ composer install from the command line to install all the required packages
Install vagrant on your machine : http://www.vagrantup.com/downloads
Run $ vagrant up from the command line to setup the vagrant machine and setup all the required packages
Add the following to your hosts file /etc/hosts (for linux and Mac OSX)
192.168.56.101 framework.local
You will now be able to view the site in your browser by going to https://framework.local