Dual booting with vista by replacing fedora
I'm almost a total noob when it comes to linux but I realy want to learn so here's my problem...
I've currently Fedora Core 6 (zod) dual booted with Vista and I don't use fedora at all, I've heard that Mandriva is very good and that the "out of the box" compatability is brilliant so what I want to do is replace fedora but not vista now when I had a look at the installer it gave the option of upgrading fedora core 6 will this option replace fedora with mandriva and leave vista where it is in happy bliss?
Thanks in advance.
P.S. A step by step guide would be nice becasue as I said I'm almost a complete noob!:???: