It depends how much money you have.

The std supercharger engine has difference pistons so you'll have to rebuild you

"full service history" engine anyway.

Then find the supercharger parts that you'll need like intercooler, supercharger, supercharger mounts, ecu, wiring loom and sensors, intake manifold, intake piping, alternator braket, super charger crank pulley and fit them.

It would be cheaper to buy a complete engine