After new installation of plugin , you just need to activate its license. When you buy the PRO version then you will receive a license key on your email or you can get this license key after login to your account on https://trustyplugins.com too.
NOTE : Without Activation of plugin , you cannot enjoy the pro features of plugin.
You need to go to “CAF License” menu to activate the plugin.
After Successfully activate the license, you will see screen like this.