Download and install the OpenSim version of the Firestorm viewer: http://www.firestormviewer.org/downloads. The standard SL viewer from Linden Lab does not know about OpenSim grids such as Kitely.

Create a Kitely account if you don’t have one by pointing your browser to
http://www.kitely.com/

Create an account using Facebook, Twitter, or an e-mail ID.

Then enter the public world “Agile Business Park” . You can see it from a list of public worlds, or just click this link. Note: Unless someone is already there it will take a minute or so to start up. (this is cool, and is done to save server processing).

You can also access it from this URL:
http://www.kitely.com/virtual-world/William-Krebs/Agile-Business-Park