However MS removed the feature of Aero in Windows 8 but you can still enable it by tweak in Windows 8 RTM. Before we proceed
Note: Please create a restore point or a backup of registry in any kind of buggy situation.
Press the Win+R and type
now navigate to the following key path
Now select the key
ColorizationGlassAttribute and double click on it. Now change the value from
2. Close the registry editor.
Now open the task manager and under
Processes tab find the
Windows Processes and select the
Desktop Windows Manger and click on
Now a popup dialog will appear then mark the option
Abandon unsaved data and shut down and click OK.
Congrats you have aero effect on your system now. But carefully it is buggy ao use it at your own risk.
Source is this YouTube video