So you have already installed Fedora 20 but don’t know where to start ? Although Fedora 20 works out of the box but still lack some necessary functionality for obvious reasons. Here is a post install step by step guide for Fedora 20.
Update Fedora
The very first thing you should do after installing Fedora is update your system. Sometimes some minor bugs are left intentionally as the OS has to be released on a fixed date and those bugs are normally fixed in a Day 1 patch, so it is a good idea to update the system just after a fresh install.