Question How do I move contacts to sim or another device


I've had a Nokia 435 for a long time and I think it's nearing the end.
I almost got attached to it, but the case cracked and the battery ran out quickly, anyway it's on the duke.
it is taken from orange and has win.
I want to save the contacts on it before it breaks completely.
I looked for tutorials on the net, I searched everywhere for two days and I didn't find anything similar.
many contacts were saved on the phone and I don't have them on the sim.
a little help.