You must have the relevant Shopify account rights to be able to carry out the instructions on this page.
How to install Power BI Connector for Shopify?
Step 1. Go to the Power BI Connector listing on the Shopify app store and click the Add app button.
Step 2. You will be redirected to the Confirmation page. Read all details and click Install app.
Step 3. The application will be automatically installed on your Shopify store. You can start creating the data sources.