While version 3.0 is a legacy build, it is still listed on aggregate sites like Software Informer as a 449 KB free download.
If you are looking for other lightweight tools to unpark CPU cores: Download Cpu Core Parking3 zip
ParkControl is free Windows app to adjust CPU core parking and heterogenous processor scheduling settings. Download ParkControl. While version 3
Quick CPU (and its predecessor, Core Parking Manager) allows you to manage how your processor handles idle cores to reduce micro-stuttering in games or high-demand applications. Download Cpu Core Parking3 zip
The official download for the application previously known as (now superseded by Quick CPU ) can be found at Coderbag.com . Direct Download Links