You got yourself a great muzzleloader, Congratulations.
1-Take the barrel off and scrub it out with soapy boiling water. Be carefull and dont get burnt.
2-Dry the barrel really well and run some patches of bore cleaner to check and see how clean it is.
3- Dry and oil the barrel.
4- Run 100 strokes of JB'S bore paste.
5- Clean again with bore cleaner and take it to the range.
BH209 Powder
Federal 209 Primers
Harvester short black sabots
250grn Bonded Shockwave for now.
BTW- Dont skip anything right now. i think you will be very happy when all done.
Dont forget to oil and clean your breech plug.