Thank you very for your help.

I have installed 7.3.1 now. 4331 has 3 GE which are by default interface., what if I need to add fourth one please

Thank you very much but unfortunately, I can not open the file and I don't have 4331 router in my Packet TracerI have 7.2.1 version of Packet Tracer

I done have  GLC-T module but I can see GLC-LH-SMD module and when I use it, it does not allow to connect with  G/0/0 port on another router, please help.