In the "Techniques" section, use the default code: "... compile PROFILE ..." Starting with Lightworks 14.5 the operating system can be identified at compile time. This allows the profile to be set to ...

Lightworks is not difficult to use, but you can save a lot of time if someone shows you the basics. That's exactly what Shark Bytes are for: they're introductory tutorials in easy-to-digest chunks.

float4 TLColour < string Description = "Top Left"; bool SupportsAlpha = true; > = { 1.0, 0.0, 0.0, 1.0 }; You can use either standard brackets in that parameter to give you ( 1.0, 0.0, 0.0, 1.0 ) or ...