To enable your shipping options if you are using physical store items:

Go to the Shipping tab as highlighted below.

A new pop-out window will be displayed, where you can add your personalized shipping options where you can set them from being based on price/weight to applying shipping rules based on location or globally.

Now to set up your shipping option requirements:

Create shipping rules based on:

Then set up which countries you want to apply the specific shipping rules to.