To install iPhOwa you must have a Microsoft Windows web server running IIS and .Net 3.5 available to you.

1. Download iPhOwa from http://code.google.com/p/iphowa/downloads/list
2. Unpack the zip to a folder on your server (i.e. c:\iPhOwa)
3. Create a new web site or virtual directory in IIS and point it to where you unpacked iPhOwa
4. Set the .Net version of your site or virtual directory to 2.0
5. Update the Web.config file for your OWA server and authentication type (Forms or Basic)