When Store Editor 2.0 users need to install floating cart and mini-cart code manually, they can choose from these options:
Note: Editor 3.0 templates (storetemplate.)do not need to manually install floating cart and mini-cart code. A floating cart operator and mini-cart ID are already included in your templates. Merchants using Editor 3.0 templates must publish Store Editor prior to enabling the mini-cart and floating cart in Floating Cart Manager.