This is as far as i got on Windows 7, followed the guide although was confused to the comment about the x32 bit windows 7 needing SP1 and also why x86 folder exists and why would someone use it? as far as rEGEDIT and Standalone Regedit No use of this software in source code or binary form without permission. Please follow the steps in the next dialogs.

It's necessary to activate your local installation via an authenticated license. Unfortunately your local copy is not activated yet or has expired.