Windows 8 Beta Simulator is not a transformation pack. This will not be harmful to your system. You can feel the windows 8 as a desktop application and uninstall it any time completely without any system effect.
This software not based on real windows 8 OS. This is a simple simulator for Windows8. Therefore, disk memory of this software is very low. It's very easy to download, use and uninstall.
We have created "Windows 8 Beta" freeware considering these released (and leaked) new features and windows8 developer version . You can install this software on your computer as a normal windows application. Then you can test, check, feel the new features of windows8 virtually just like real windows8
Windows 8 different than other windows versions because It's mainly based on the touch system as apple and some features as the Linux ( according to our vision). We were targeted these functions to creating virtual "windows8 beta"