Dashboard > Upgrade Store
From Shopnix Help
What is Upgrade store ?
you can manage your Shopnix store subscription from this page. when your store subscription is ending you'll receive a message at the top of your screen and you can then renew your subscription from here.
Where I will get Upgrade store feature ?
Just click on that message and you are redirected to a new page like below
Fill up the desired fields and complete your payment to upgrade your store. if you need assistance during this process, you can always call our support team.
If you have more queries or would like assistance with this please contact us on firstname.lastname@example.org.