just want to share my experience..

i encourage you to use windows XP or 7 instead of vista..
i have tried aspenONE v7.0 on vista and it gave me a different interface compared to 7..
on vista, i cant use some of the tools and the calculation result showed a significant difference too..
i installed it on both version of windows using the same guide i found in this forum.

now i use aspenONE v7.0 on windows 7 and it works well...