I knew someone would try to do this...
yes it is possible, no you dont need non-microsoft software
you just have to write some batch files.
let me just give you the overview
b4 installing winme copy all of the windows system files that are in the
root of c:\ to a folder I will call it c:\win98boot
install winme copy all of the windows system files that are in the root
of c:\ to a folder I will call it c:\winmeboot
make batch files to copy the proper files to the root of c:\
and reboot machine \