Add a Product Add To Cart to your WooCommerce site.
Favorites are a Member’s Only feature, which you can access right now for FREE simply by creating your own account.
It’s that simple.
Did you see the other "WooCommerce : Add to Cart" addons like the
Product Add to Cart (WooCommerce)?
p.s. You can find these under the "More Like This" section on each widget/extension page :)