Darwin
curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install
mkdir -p ~/.config/nix
cat <<EOF > ~/.config/nix/nix.conf
experimental-features = nix-command flakes
EOF
nix run nix-darwin -- switch --flake <path_to_nix_darwin_configuration>