http://ahnlabgirl.cafe24.com/ahnlab/567?TSSESSIONblogahnlabcom=27eb12d113aef0b85f1a5f6975d3dfea
http://www.infoworld.com/d/microsoft-windows/how-snapshot-windows-7-and-resurrect-steadystate-free-175737?page=0,1
http://www.steadierstate.com/
download
http://windows-steadystate.en.softonic.com/download