Hello can anyone guide me how to design a steel lattice tower in STAAD Pro

A.V.RamaniPlease check if this is useful: #-Link-Snipped-# Hello sir ...the link was not much helpful ...I require relevant information on how to design the tower starting from basics.

Design procedures for building a steel lattice tower of 18-20 m high , capable of carrying 300 kg on top. Maximum Wind Speed is 50 m/s.