You will need to obtain an access token to activate your Instagram feed in your theme settings for your Shopify or Vend theme.
When you click the button below you'll go to a secure Instagram page that will allow you to login and authorise your Instagram feed. You'll return to this page with a long string of letters and numbers that you can copy and paste into your theme settings.
We won't have access to any of your photos or personal information, this process is basically used so that Instagram can delegate bandwidth between user feeds. If you're curious you can read more about their rate limits here.