How to use microstran Program to ANSWER this question. STEPS ON USING THE PROGRAM ONLY. PLEASE ASAP

Draw the axial force diagram for the truss as shown below. The truss is made of steel $($E $=2*10^8$ kPa$).$ The members have rectangular cross sections with sizes:

$1$B: b$=0\mathrm{.}2$m$,$ h $=0,4$m; BC: b $=0\mathrm{.}2$m$,$ h $=0\mathrm{.}3$m; AC: b $=0\mathrm{.}2$m$,$ h $=0\mathrm{.}25$m