Welcome to Salix
Your best bet may be to use Salix Live, which has a very user-friendly graphical installer. I'm assuming you want to install Salix over the top of your current fedora installation, so you need to know which partition that is.
The first thing is to back up your data - obviously anything in the Fedora partition you want to keep, because you're going to wipe that, but also the Windows partition, becuse although it's very unlikely anything will go wrong, data loss is always possible.
Then run the graphical installer. There is a launcher for it on the Salix live desktop. You can test it out without doing anything - it is quite clear when you are committing yourself to actually install Salix.
Also, if you haven't already tried Salix Live, this is a good opportunty to make sure you like it and everything works ok before committing yourself to an actual installation.
Note that the default username is "one", and the root password is "live".
Do have a look at the Salix User Guide (link on the homepage I think).
However you install Salix, the final step is to install the Lilo bootloader (you can use Grub instead if you want, but the automatic tools use Lilo so that's probably the most straighforward way). When you have told the installer about your bootable partitions, including Windows, you will be able to boot into them at login.
If you do have any problems, just boot back into the live cd and ask for help here.