How can i get this subscription option
Make sure to check on the settings app that parental controls are not enabled. If they are unable them. This should solve your problem.
Still this is showing like same
OK. Did you have an account before this and want to get pro again or is this your first time to get pro?
Not first time my grade is 4
Are you on Android? If so, the developers are aware of this issue and are investigating. Stand by!