1、please login your SHOPIFY platform, and find the Apps, then operate as the following photo shows
2、 if there is no place to add, then please " Add Create Private App "
then please go back to APPS List, and please click " Titile , and get inside ( the above pic shows), and screenshot it.
3、Please fill api key Password into the according place .
Shop Name Must put correctly. , for example,
Then please fill polar-pen
Then fill Shop name，api key，Password that is !