Spinors` is the xAct` package for working with spinors in general relativity.
- A working installation of xAct.
Open the file makeSpinors.wl that is in the folder Spinors-paclet/Spinors with Mathematica front end and
run all its code (just click on the button Run Package on the top left corner). Alternatively use wolframscript:
wolframscript -file makeSpinors.wl