I am looking to buy the makergear m2 as my first 3d printer. I would like to upgrade it with the Viki control panel I have seen in many videos. I am just wondering which one I should get and where. Also, how easy is it to install/ setup? Thanks!!!!

I was looking at the makergear M2 to purchase as my first 3d printer. I have seen videos of people using dual extruders on this machine but have not been able to find where I would go about purchasing this. Is it something you have to print and make yourself? How difficult is this to do? Also, how d...