2) Fill out needed fields:
- Select social networks you want customers to share.
- Type your default sharing message which can be edited by users.
- If you would like to encourage users to share for a small rewarding, then type your offer text. Otherwise, leave it empty.
- Select how users will be rewarded: Reusable or Unique coupons (can be imported from your Shopify store). And choose who will receive a reward: only referrer (who is sharing) or both (who is sharing and users who are clicking) [Available on "Growing Business" plan]
4) Go to Themes section in Shopify Admin panel -> "Edit HTML / CSS" -> "product.liquid" and paste the code to where you need:
It requires some coding skills, so if you feel that you may need our help then just contact us.