O&O CleverCache V6.0 Professional Edition O&O CleverCache V6 Professional is a unique tool to optimize your File Cache Management in Windows XP, Windows 2000, and Windows NT. This results in an enormous performance boost, sometimes doubling your ... Cost: $29 Buy full version       Trial version       Publisher: O&O Software GmbH     Descriptions O&O CleverCache V6.0 Professional Edition: O&O CleverCache V6 Professional is a unique tool to optimize your File Cache Management in Windows XP, Windows 2000, and Windows NT. This results in an enormous performance boost, sometimes doubling your original system speed without any new hardware purchase or restrictions to your system's stability. Simply install O&O CleverCache V6 and you are ready to go! Additional configuration or rebooting is not necessary. Within 5 minutes this software will activate the unused resources of your Windows XP/2000/NT system and show you what your hardware is capable of!