Activating Module

1. Module is available for free in all HostBill installations since 08 Sep 2016 
2. In your HostBill: Proceed to "Settings -> Modules -> Hosting Modules -> Inactive"
3. Click "Activate" next to "Client Group Changer" (or cgroupchanger) module
4. Under Settings→Apps just provide name of newly added module, no hostname/ip settings are required

Adding product to automatically change client group

1. In HostBill go to Settings > Products & Services, and Add new order page
2. From Order Types select "Other Services", or select your current product that you wish add this functionality for 
3. Add new product / select existing package
4. Under Settings→apps select newly added app/module
   
5. Now when account with this product is created, client group that purchases this package will be automatically changed