Follow the instructions below on How to configure the shipping methods in PrestaShop 1.7?
First of all, open your PrestaShop dashboard. On the left side choose the Shipping section and click on the Carriers button.
Here we have to click on the add new Carrier button. First Enter The Carrier name, Next To Transit Time. Enter The Time Taken For Product Delivery. After Click on The Next Button.
Now Set The Zones Where this Carrier is To be used and Enter The Total Price So simply Click on the Next button.
Now Add The Package Width, Package Height, Package Depth, and Package Weight After all these things, you have to click on the Next button.
So now Again Click on the Finish button. Now you can see our Carriers have been added successfully.