to be honest you should ask on their forum >
http://www.litestep.net/
but if your not confident to edit some registry then don't bother. there are loads of shell replacements out there that are better and are easier to use / install / change skins and dont require and editing of files.
the problem i have with shell replacements is that u can never download a theme that is right for you. so then you have to go editing more to try to get it right. way to much hassle especially if your not a compter person.
may fave is aston btw >
http://www.astonshell.com/ but again getting things right is a pain.
after trying so many shells i just went back to windows and threw style xp on top.
