Hi,
This is Shankar, I read and understand your requirement that you want to install Easy Tabs 2.0 - Magento Products Tabs.
You already tried by install this extension but this is not installed in your current theme i guess. I will guide you about this installation after completion of this task.
I have 6 years experience in PHP,SQL, Magento . So don't worry about any problem in work and about quality work. You will get 100%.
So please award this project to me and give other details also so i can start this ASAP.
Thanks and best regards
Shankar