Here you will be explained how to upgrade your plan if you purchase Wollow plugin from the AppSumo market.
First of all, make sure you have the stack code from your purchase in Appsumo. Wollow plugin bought from AppSumo is called Wollow AppSumo plan. Make sure you got this version when you buy from there.
To upgrade your plan, go to the Alusio dashboard. You will notice the upgrade plan button right below the current plan details. Click the button to upgrade the plan.
Input the code you got from the AppSumo purchase, then click redeem.
After you finish redeeming the code, your plan will be changed to the newest plan.