Joomla! Documentation™

Joomla 2.5 , Joomla 3.x and Joomla 4.x will show the template positions with ?tp=1 or &tp=1 if the Preview Module Positions mode in the Template Manager has been Enabled:

• Extensions → Template Manager then click the Options button in the toolbar.
• Under the Templates Tab, make sure Preview Module Positions is set to Enabled.
• For Joomla 4.x the path to Templates is, from the sidebar menu, System then choose either Site Templates (frontend) or Administrator Templates (backend).