Hello,
Thank you very much for choosing our theme and for contacting us.
This is the header banner and it is enabled/disabled and edited in the Theme Settings > Shop page > Header banner.
You can activate your license twice for one and the same site and keep the testing site and live site. Please go ahead.
Instagram has changed the integration process now the only API is available, please read and follow the instruction on how to configure that: https://xtemos.com/docs/woodmart/faq-guides/setup-instagram-api/
The footer is edited in the Theme Settings > Footer.
The content for the footer is added in the Appearance > Widgets > Footer column 1,2,3
If you have any questions please feel free to contact us.
Best Regards