There are many method first just press ares icon from isis depend on pcb level minimum level required 2 or make netlist file and load netlist in ares then used placement tool and in final auto route it by using built in auto router or electra depend on pcb level minimum required level 2 further you can read help file with open eyes or share your dsn file here to get help
The solution is simply press the ARES icon in ISIS. It should be at the top right hand corner of ISIS.
Result will open ARES giving you a defaulted 2 layer PCB artwork. Print and you are ready to go.
Alternatively, you may pay someone to do this for you.
Good luck.