Hello Hattori
Thanks for your reply .
But as per the link bellow windows 8 OS supports BTLE low energy profile
http://developer.bluetooth.org/DevelopmentResources/Pages/Member-News.aspx
http://code.msdn.microsoft.com/windowshardware/Bluetooth-Generic-4f4ea968
If Sensor tag supports GATT profile then it should connect to Windows 8 capable OS , is not it ?
Thanks
Manas