To install the application And link it with your store follow these steps:
From the Dashboard Go to Apps & services and then Printful Integration App press Install Then Edit to access the application's settings ,as shown below..
Make sure to enable the application's status from settings in the sidebar as shown below..
First of all, you need to have an account with Printful to carry on with the following steps,
if you don't have one you can click on Register Now.
After pressing on Register Now, it will direct you to Printful website to Sign Up as shown below..
After Creating an account make sure you verify the Email Address.
Second of all, you can create your products and products template.
After creating your products, and your pricings. Make sure you add it to your store as shown below..
Third of all, from the sidebar menu Go To Stores and in the Manual order platform / API press Create as shown below..
After Creating your store, From Settings press on API and then Enable API access...
Then copy the API as shown below and go back to the Printful app in your Dashboard then paste it, and press save..
Lastly, Press on Import from the sidebar then import all the products