Hello
1. You should enter wind loads as lateral loads for each story on x and y direction...
2. Click Story parameters from Anaysis Menu...
3. Click Wind-Ground Loading tab
4. Enter Wind X and Wind Y values into Wind X and Wind Y cells you calculated for each story and close diyalog...
5. Analyse system (F9)
You may see all combinations on desing tree or RC dialog including combinations of wind loads ....
Defaults factors for wind loads are:
G + 1.3Q +/- W
or
0.9G +/- 1.3W
İf you want to change these factors, click any combination on design tree and enter them it's own properties.