Hello., how can i put the Rank for Members., because the another Rank for Staff Administrator.,etc., i have fixed., but the members Rank i don't know how to put .,because if i create e group member., i need to put all member in this group ., so i need to tell me any method how to put the ranks for members .?

Have you tried

ACP --> Users & Groups --> Rank Administration --> Create New Rank --> Name It --> Keep "Set as Special Rank" as No --> Make minimum posts whatever you want --> Place Image url --> Click Save.

Thanks., Broother., the problem is fixed., thanks so much