After the leak of Windows 8 build 7955, the guys at MDL forums are unlocking the new features, and posting some of the unlocked ones like the pattern login and the Metro UI.
Using RedPill Tool, these are the set of features that can be uncovered
New Task Manager
Follow these steps to unlock the features
1. Run the InstallTakeOwnership registry file to add Take Ownership button on the right click.
2. Take Ownership of system32\slc.dll and system32\systemcpl.dll and rename them to something else
3. Now copy the three dll files from the zip file to system32 folder.
Download the file from here.
Note: It is very risky to Modify System files and this should only be performed on test machine. We don’t take any responsibility.