sorry for the late reply. i couldnt belive the news about Jamie, he left us this soon. we lost this talented and friendly guy.
for your litestep installation, it depends on your machine. i reply the step on your comment in Metro X litestep skin. but thats for Windows 7. if you're on Windows 10 (considering you're not on Windows 8/8.1), Jamie has trick for that. he once released litestep skin that he made on Windows 10 machine, and it worked