Once you click on Carrier Master you will be navigated to the following page:
Here click on the “Add New” button.
Note: If you have already integrated other shipping carriers please scroll down to find the “Add New” button.
Select your Carrier as “Shipway” from the drop-down options.
Enter your Shipway account's Username in the Username field.
Enter your Shipway account's License Key in the Password field.
Then click on the “Save” button.