To incorporate a design option into the main model
Click Tools menuDesign OptionsDesign Options, or click on the Design Options toolbar.
In the Design Options dialog, select the design option set that includes the desired option.
If the desired option is secondary, select the design option in the list, and click Make Primary to promote it to the primary option.
Under Option Set, click Accept Primary to incorporate the primary option into the main model.
Revit Architecture prompts you to confirm this action.
Revit Architecture incorporates the primary option into the main model and deletes the design option set.