Hello,
Please, look documentation about Quickstart Package. It is not possible to install Quickstart Package via Extensions > Template manager.
ordasoft.com/News/Joomla-Tutorials/how-t...ckstart-package.html
You try install template like Single Template installation
In All Joomla templates packages created by OrdaSoft you can find Joomla template file. Joomla template installation via extension should take no more than one minute.
1. ENTER TO ADMIN AREA
You need to go to your Joomla admin area, type in your browser
my_joomla/administrator, enter Joomla administrator Login and Password
2. UPLOAD FILE & INSTALL
From the backend of your Joomla site (administration) select Extensions -> Extension manager. Click the Browse button and select the template on your local machine
Thanks,
Taras
OrdaSoft team.