If you already have Dolphin installed, you can register your license. Log into the Dolphin admin panel where you should be requested to register the license code. Insert your license code and click on "Register." If you already had Dolphin registered with a free license, you need to re-register it following the instructions:
1 Log into admin panel - settings - advanced settings - variables - Dolphin license code
2 Remove the license number and save settings
3 Log out and log in again.
4 You should be requested to register the license code. Please, insert your license and click on register.
5 Log out and log in again
6 Check if your domain name was tracked here on Unity in the "My Licenses" section next to your license code.
7 If not please, make sure allow_url_fopen is enabled
If you don't have Dolphin installed, please download it, install on your web server, register the license code and start your online project.