The installation of the yesterday released CTP version of POSReady 7 is very easy and straight forward.
Here is a tutorial about the whole setup procedure.
POSReady 7 CTP is now ready to use. The system contains very much functionality including AppLocker, BitLocker, Enhanced Write Filter, File Based Write Filter, Registry Filter, Message Box Auto Reply, Dialog Filter, Keyboard Filter and many other features known from Windows 7 and Windows Embedded Standard 7.
Additional documents about POSReady 7 CTP are available at the Connect Downloads website.