Here's how to take any EXE and create an installer for it:
Install-Package squirrel.windows
- Use NuGet Package Explorer (or any other way) to create a NuGet package for your app.
- Open the NuGet Package Console, and type
Squirrel --releasify path/to/the/nuget/package.nupkg
You should have a folder called Releases
with three files in it. Publish those all to S3 in the same folder and you've now got an installer