How to allow only one check box checked when multiple check boxes are presented to the user

To make only one check box checked in some multiple check boxes, you have to make all of them have the same check box name ,but have different Export values under the General tab and  Options tab in Check Box Properties dialog boxes for all of those Check Boxes.To open Check Box Properties window, please click on Form tab in Foxit PDF Editor,choose Check Box tool, double click on a Check Box in the PDF file to bring up Check Box Properties window that belongs to the Check Box you have clicked.