Register for free POWR account here- https://www.powr.io/plugins/instagram-feed
Click on Add instagram Feed to Site button
Choose HTML in next option
Click on Add Feed button available on left side of POWR dashboard and add you instagram username like (@username) and choose the layout and design etc.
After making the changes click on Add to Site button to generate the embed codes
Open the VINTCER editor and choose RAW widget (last option) from section menu (Instagram feed can be added to any section using Widget option too)
A empty RAW widget will be added to your website
Click on RAW ELEMENT and then click on Edit Widget button
Paste the POWR code in to code editor and click on SAVE button. Thats it, POWR e-commerce plugin should be added to your website.