How to add Joomla Menu link to point to external URL address
You need to simply follow this 3 easy steps:
1. Login with your joomla administrator
Point in your browser to
http://yoursite.com/joomla/administrator/ or to url wherever your admin panel is located
2. Go to Menu Manager
Menus -> Menu Manager
3. Click the new button located on the right top side of the joomla admin panel
Next the Select Menu Item Type dialog will appear:
There you will need to select the
External Link option
Now fill in your desired url that you desire your Menu link to point to and choose among the few possible options on how do you want the new external website to appear after clicked on the menus link.
And that's it now you will have it. Easy :)