: CyberLink's proprietary technology for upscaling video quality and color in PowerDVD 21 and PowerPlayer 365.

CyberLink never released TV Enhance as freeware. It was always —meaning it came on a CD with a specific TV tuner USB stick or PCIe card. However, many users have successfully found legal free versions via:

The most direct way to get these enhancements is to download the free trial version of PowerDVD 21.