Disable the selecctions

Hello i need to show a checkbox but his state must be disabled and the user cant make any change on it, is this possible, i need that the section state not checked and the user cant change the state.
Its urgent,this is the last step to finsh the isntaller.
Greetings

Use SectionIn RO inside the section.

To have an unselected Section, use /o:
Section /o "My section"

-Stu