1. Turn on the Developer tab. In order to create clickable check boxes in your document, you will need to enable the Developer tab, which is hidden by default. To do so, right-click in a blank spot on any open tab and select Customize the Ribbon. 1  A new window will open.2  In the column on the right side, check the Developer box and then click OK.. Turn on the Developer tab. In order to create clickable check boxes in your document, you will need to enable the Developer tab, which is hidden by default. To do so, right-click in a blank spot on any open tab and select Customize the Ribbon. 1  A new window will open.