What is the difference between 32-bit and 64-bit versions of CyberLink ColoDirector Ultra?

CyberLink ColorDirector 2 Ultra is compatible with Windows 8/7/Vista 32-bit/64-bit and Windows XP 32-bit. The installation of ColorDirector 2 Ultra will automatically detect and install 32-bit or 64-bit version depending on your operating system.

To take advantage of native 64-bit support, you must have Windows 64-bit OS and install ColorDirector 2 Ultra. Together they provide better program performance and add support for 2K/4K videos.

Note: CyberLink ColorDirector 2 Ultra 32-bit version does not support 2K/4K videos.