Ender 3 printer purchased used with several mods

  • 3D Printer Model: Ender 3
  • Slicer: Simplify3D
  • Hardware Setup: Mainboard has been updated to v1.1.5
    BL Touch v3.1
    Hot End is Micro Swiss Direct Drive Extruder for Creality
  • Problem description:
    I’m new to 3d printing, this is my first printer. This printer came to me in pieces. Trying to wrap my head around getting everything set up properly given the amount of upgrades. Help!!!
  • What I tried:
    From watching existing videos, i know that i’ll need to make changes to bootloader. I have putty connection established. Just want to know what changes to make in order to get all these pieces working together.