Is not open source or free software, is proprietary, the free versions lack of basic features present in Kdenlive and/or Cinelerra (See guides), and you need Wine to run the program to transcode files to allow the program to load them.
Is appropriate due to the Pro version is compatible with some important video studios hardware/software.

References:
Topic: Download Lightworks for Linux 64-bit
Web: http://www.lwks.com/index.php?option=com_lwks&view=download&Itemid=206&tab=1
File: Downloads.pdf
Installation process details:
Web: https://www.linux.com/learn/pro-level-video-editing-lightworks-linux
File: Pro-Level Video Editing with LightWorks on Linux _ Linux.pdf
