Free Shipping can be based on a minimum purchase or as a cart price rule when a set of rules are met. If the Minimum Order and Cart Price Rule applies to the same order the setting has priority over the cart rule.
To configure the Free Sipping, you need to go to Admin -> Stores -> Settings -> Configuration -> Sales -> Delivery Methods -> Free Shipping
Enable [Yes / No ] Enable or Disable the Free Shipping method from the Checkout Page.
Title Change the title of the shipping method from Free Shipping to your own custom title.
Method Name You can set a name to appear next to the calculated rate in the shopping cart.
Minimum Order Amount Set a minimum order amount in order to have this option available.
Include Tax Amount [Yes / No]
- Yes -> Include tax to the Minimum Order Amount: Subtotal + Tax - Discount
- No -> Doesn't include tax to the Minimum Order Amount: Subtotal - Discount
Displayed Error Message You can set an Error message to display if Free Shipping is not available.
Ship to Applicable Countries [ All Allowed Countries / Specific Countries] If you select Specific Countries, you can select below on Ship To Specific Countries only the countries that you want the shipping to be available.
Ship to specific Countries Works only if you select Specific countries from Ship to Applicable Countries, and you can select the countries where shipping is available.
Show Method if Not Applicable [Yes / No] Enable or Disable this if you want to show or not the Method if not applicable.
Sort Order Set the order you want the shipping method to appear( For example "2", so it will appear as the second option).
Save Config and flush all caches available and refresh the website after the changes are done.