Download ioncube loaders from [
www.ioncube.com]
Get the VC9 compiled version
unzip the loaders and copy to a folder, lets say C:\wamp\ioncube
Edit php.ini ( using the wampmanager -> PHP -> php.ini link
Go to the bottom of the file and add these 2 lines
;ioncube Extension
zend_extension = "C:/wamp/ioncube/ioncube_loader_win_5.3.dll"
Assuming you are using a PHP 5.3 x version of php