how to open port for njrat ( IN PTCL ROUTER)

i WILL  SHOW HOW TO
OPEN THE PORT FOR NJRAT
 IN PTCL ROUTER
you can open any port by this methord but i will show how to open 1166 port
START....
                  important note
           (((turn of all the proxy ))))


  1) TYPE   192.168.1.1
BY DEFAULT  name is (admin) and pasword is also (admin)
 command used in cmd is ipconfig