Joomla! Template JD Magazine - Item Support

Just purchased JD magazine template. The file i downloaded is unzip me first........I did this on my local machine and I now have 4 zip folders. I tried to install one folder - jd-quicksttart using Joomla Extensions manager but received error "cannot read xml file.
can you lead me through the process to get this template installed please!

Thanks
Thanks and understood
Item Name:
JD Magazine
Author:
Sales:
9
Created:
2018-04-16
Updated:
2020-09-24
Item Version:
1.1.0
Supported Joomla:
Joomla 3 Product