FC4 upgrade question

[bisctboy]

I just installed my first Linux OS which is FC3. Here is a silly question.....If I upgrade to FC4 will everything I have established in FC3 be wiped out and I will have to installed everything again. In other words, if I install FC4 will it just upgrade the OS, or will it wipe out everything I did on FC3. The reason I'm asking is because I am a newbie to Linux and I just spent the last 10 days getting everything set up (graphics card, YUM, multimedia, etc.) If I install FC4, will I have to do everything all over again, or is it like the "other OS" where it just upgrades what I already have?

Thanks,

Marshall

[a thing]

Firstly, FC4 is outdated. FC5 came out yesterday.

All the system related stuff, such as extra software you installed and things in /etc/ will be overwritten. You should backup /home/ if it isn't on another partition (if it is, just tell the installer to use it as /home/ and not format it) and restore that backup after doing a clean install of FC5 over FC3.