https://freecad.github.io/DevelopersHandbook/gettingstarted/#pixi
There's two steps No.1 . The second step No.1 is "pixi run configure", but I get the error Error: × could not find pixi.toml or pyproject.toml with tool.pixi at directory /home/yosyp/Documents/pixi. It is assumed the command is ran inside FreeCAD's Git clone, while it's not specifically expressed.