For people who don't know it Linspire is a commercial linux distribution.
Which is designed to look as much like windows like possible, it also includes some licensed software from third party's which usually isn't included with free linux distro's.
However this free version does not incude a license in any way to the Click And Run feature of Linspire.
It usually costs money: 50 dollars for a downloadable version.
It's free till 6 september 2005:
http://info.linspire.com/freespire/index.html
Has the details