Just slice and print. Don't change a thing. Drop an STL into Cura and click "Slice", "Preview" to preview the sliced file, then "Save to File".

Cura expert mode has about a zillion combinations of choices, so it's tricky no matter how good your are. We've invested some time to make general purpose profiles to slice most parts. Try them before adjusting anything.

Standards for SeeMeCNC Delta's for Cura 4-2-1 and higher, single or dual extrusion:

Filament starts 160mm above nozzle

Bed probe using the "Probe Autolevel" macro we wrote

Probe with hotend room temp and bed hot

Only turn on or off the "Generate Supports" check box under "Support" when getting started