Installing Wishlist Hero on Shopify Theme
Step 1: Enable the Wishlist Hero app from app embeds
To enable the Wishlist Hero app on your Shopify theme, follow these steps:
Go to Online Store > Themes > Customize > From there, enable the app under App Embeds.

Step 2: Add Wishlist Hero app snippet files to your theme
Go to Online Store > Themes and click on Action > Edit Code to add the necessary app snippet files:

wishlisthero-header-icon.liquidwishlisthero-collection-product.liquidwlh-icon-bookmark-empty.liquidwlh-icon-heart-empty.liquidwlh-icon-star-empty.liquid
Once you've added the snippets and enabled the app embed, your wishlist feature is now applied to your theme. You’re done!