Installation

 From your Administrator panel Choose Extensions/Manage and just click this and it will give you the install window.
 
manage
 
install
Drag the mod_tplshowcase_j3.zip file and drop it.  Once it is installed you will get a Success window.
 
success
 
 
For Joomla! 2.5  it is just a little different.
You will want to choose Extensions/Extension Manager.
 
extman
 
You will browse to the file mod_tplshowcase_j25.zip and Choose upload and install.
 
extinstall
 
When it is finished you will get a Success Screen.
 
extsuccess