1. How to install Addon Library in Wordpress?
Login to your Wordpress backend and click on the menu item "Plugins" on the left sidebar menu.
Click on the "Add New" button at the top
Click on the "Upload Plugin" button at the top
Unzip the zip file you downloaded from Codecanyon and select the file "addon_library1.0.8.zip"
Click the "Install Now" button after selecting the file.
After the installation is complete click on the "Activate Plugin" link
Once installation is complete a menu item for the "Addon Library" will appear in the left sidebar menu.