This is for Android 2.3 with HTC Sense 3.0
Just install, go into "Personalize" in your Settings menu and select "Skin Chooser". You will see the Act 64 as an option.
This is KNOWN to work on the following devices:
-HTC Evo 3D
Also works with other HTC devices that have HTC Sense 3.0
If you don't know what version of HTC Sense your phone has, under the Settings Menu, goto the About Phone Section and click Software Information.
***NO ROOT REQUIRED***
***REMEMBER TO CHECK BACK OFTEN FOR NEW SKINS***
Please email me if you have suggestions.