Input keying
In 
Inputs, select an input.⚓
In Keying, key the content using Chroma Keying, Luma Keying, CremaTTe 3D LUT or Cut & Fill.
Input keying applies to all inputs in the same input group.
Example : Options⚓
Use Chroma Keying to key a color (or hue).
Use Luma Keying to key a Luma level (or brightness).
Use CremaTTe 3D LUTs for advanced keying with dedicated AW tool (Not available for 8-plug HDMI input card).
Use Cut & Fill to key an input without losing extra layers.
Legal : Free AW tool⚓
AW CremaTTe 3D is a free tool used to create a keying LUT using the inputs of a LivePremier. It is available on www.analogway.com.