All of Webkul module installation comes with one production single instance ( domain/subdomain ) support and one test instance (domain/subdomain ) . You are not allowed to use more than Two instances at the same time . You can Extend the license as below

• Domain Pricing for 1-5 instances ( domain/subdomain ) – In this case you need to purchase the module / extension Again.
• Domain Pricing for 6-10 instances ( domain/subdomain ) – In this case you need to purchase the module / extension Again but you will get 20% discount.
• Domain Pricing for 11-20 instances ( domain/subdomain ) – In this case you need to purchase the module / extension Again but you will get 25% discount.
• Domain Pricing for 21+ instances ( domain/subdomain ) – In this case you need to purchase the module / extension Again but you will get 30% discount.

You can check our license policy here https://store.webkul.com/license.html.