How to install a purchase code into template

Hi everyone.
I am first in envato.
I just purchased a template as “Qualis - Responsive React eCommerce Template” here
All the resources are ready.
But I don’t know how to install a purchase code into template.
So I need someone who can help me for it.
Thanks

Hi

Please check the Item documentation hopefully you will get necessary support. Otherwise the best way to get the support is Contact your purchased Item Author. How to Contact Author and let them know.

Thanks