The main instructions for installing the Shortcodes App can be found here.
Below, you'll find guidelines on where to insert the installation code. This is quick and easy, and should take you less than two minutes. (If you'd prefer for us to install it for you, click here for a quick installation for just $25).
1. From your Shopify Admin, open up Themes > Template Editor > theme.liquid.
2. Do a ctrl+F to "find". Look for this: </head> . That is the end of the 'header' of your theme.
3. Put your cursor just before that </head>, and paste the installation code.
4. Save. It's now installed.
That's all to it!
From there, you can: