one possible solution is to install CentOS 6.3 or Scientific Linux 6.3 ( or the older CentOS 5.9 )
the fedora 8 SRC rpm should be able to build on it
-- NO guaranties --
just checked the OpenBuildService
there is a fedora 18 build
but you will need to install a "home" personal software repo on fedora 18
(xvieew is called "openwin" )
installing fedora 18 and using that might be WAY easier than trying to build a Microsoft Windows version
or hacking a fedora 8 src rpm on centos
or install a VM and do a virtual install for the unsupported fedora 8 on the VM running on win7
but getting software to install on a version of fedora that is 10 versions out of date , will not be easy .
fedora 8 install dvd has the OLD security keys on it and they WILL NOT work on the new security keys issued after the red hat server break ,issued for fedora 8 .
and it has some old software like Firefox2 "firefox-18.104.22.168-1.fc8.i386.rpm "
The current firefox is 18
if you go the route of installing fedora 8 on a vm
i would ask questions over at the "end of life" forum on fedoraforum
-- a link --