Build an installer for .NET app that can run on Windows and OS X?

Question

I am surprised I could not find this question already asked, so if I simply missed it please notify promptly.

I need to write a very small, fairly simple application in .

Answer 1

To create an installer there is:

1. NSIS - Free
2. InstallShield - Paid

I do not know how know about Macs

Issues: Computer does not have .Net Framework

Solution: StackOverflow - The State of Linkers for .NET apps