To activate the App Builder plugin, you need to generate a license key for your domain.
Go to https://admin.appcheap.io then navigate to tab Licenses and click to button “Register License”
![](https://appcheap.io/wp-content/uploads/2023/04/image-1024x136.png)
a modal telling you to put your domain and purchase code
![](https://appcheap.io/wp-content/uploads/2023/04/image-1.png)
The domain is your web site URL that the app will connect to.