How to advertise software product that has extremely strong competition

I guess that my question is not very original, but my situation is not so common. I have a software product that is great in what it does, there's no technical downside, people that ever tried it started using it and love it, BUT…
– It is proprietary software in a world of open source/freeware
– It does not have (or I haven't defined it) the target group (can be used both by pros and beginners)
– It runs only on Windows powered computers and it is web tool that requires hosting (requires web…
How to advertise software product that has extremely strong competition

See original post by Faik Djikic