Regardless of whether you grab the binaries or the source, you might want to subscribe to the FlexWikiMailingList.

In a nutshell

1. Go to the sourceforge download page
2. Download the latest web-full-Release.zip
3. Unzip it and share it with IIS (QuickSetup)
4. (Register yourself at IUseIt)

Long version

there are three ways to get this FlexWiki, in binary form for installation on your server and in source code form

• FlexWikiBinaries
• FlexWikiSources
• FlexWiki latest and possibly unstable builds.
The software running this site. -> jump to HomePage
10/22/2006 7:52:17 AM - -81.182.199.248
There are a number of mailing lists for people who are interested in FlexWiki.
1/24/2008 8:36:46 AM - FLWCOM-jwdavidson
How to get a simple running FlexWiki (1.x version)
5/5/2008 1:05:36 PM - -63.116.145.132
Click to read this topic
11/21/2007 1:41:14 PM - 192.127.94.7
The software running this site. -> jump to HomePage
10/22/2006 7:52:17 AM - -81.182.199.248
How to install and configure FlexWiki on your own server
2/3/2008 2:08:56 PM - -87.13.134.100
Latest builds: http://builds.flexwiki.com/download/
10/9/2007 6:19:49 AM - -139.169.184.180