All you need to do is just install Gourmand WordPress Theme and recommended plugins after this follow recommended actions from Admin Dashboard › About Gourmand.
IMPORTANT: Please remember the Gourmand Light and Gourmand PRO are 2 Plugins what allow you extend Gourmand WordPress Theme core features. This is a better way to upgrade your theme with extra features without lose current settings and any data. Also these 2 Plugins work well with any Gourmand Child WordPress Theme.
So the Gourmand Solutions are a Better Choice for your website and your choice is greatly appreciated!