Here you enter the default load generation information that appears in the Site Information box for new files. Only those values that can be expected to remain more or less the same for all the structures in your vicinity are included.
Risk Category
For all versions of the software you enter the Risk category that is used for the Importance Factor for both wind and seismic design.
Wind Velocity
You enter the design wind speed for main wind force resistance system (MWFRS) design for the location that your buildings are most likely to be situated.
Exposure
You can specify the the default Exposure Category from ASCE-7 26.7.3, Exposure B, C or D.