Joomla! Template eCoTech PT - Item Support

How I do to install this template? I´m using the extension manager in my joomla but is impossible.
I have my web with many articles and beez_20 templete, I need to change the templete for ecotech.

Regards
Hi,

Thank you for your answer. Now I need to eliminate "Powered by Warp Theme Framework" from the footer.
What I have to do?

Regards.
Item Name:
eCoTech PT
Downloads:
196
Created:
2012-09-21
Updated:
2016-09-11
Item Version:
1.2.4
$35.00
Regular License
This item may be used for a single domain only.
$49.00
Extended License

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