What is the difference between 32-bit and 64-bit versions of CyberLink PhotoDirector 5?

CyberLink PhotoDirector 5 is compatible with Windows 8/7/Vista 32-bit/64-bit and Windows XP 32-bit. The installation of PhotoDirector 5 will automatically detect and install the 32-bit or 64-bit version depending on your operating system.

To take the advantage of native 64-bit support, using Windows 64-bit OS with PhotoDirector 5 provides better performance and adds support for 4K slideshows.

Note: CyberLink PhotoDirector 5 32-bit version does not support 4K slideshows.