A wizard will help you during the setup in a very-easy-to-use web interface.
A very detailed log report is available.
Xerver is a well documentated open source project. If you get problems you can probably find the answer in the help documentation. If you prefer you might send an email asking your question. We do respond to each and every question regarding Xerver.
And yes, it does work! And it's very easy. Share your files with all your friends and have fun!