Install IonCube in Windows server
1- go to this URL and download the zip file http://www.ioncube.com/loaders.php
2- extract the zip file and copy this file loader-wizard.php from the zip file to the localhost which mean to
vhost/default/httpdocs
3- open the locahost in side the server localhost/loader-wizard.php then you will guide you what you need to do, for example copy the ioncube 5.x.x .dll to C:\Program Files (x86)\Parallels\Plesk\Additional\PleskPHP5 or othes direction , is diffrent from server to server
then edit php ini , all the info u will see in http://www.ioncube.com/loaders.php
Thank you.