Either and neither

hey maem can you please explain what is the diffrence between either and neither

Hey !
I am Sourabh. Student of the Spoken English Course. Either use for positive and Neither use for negative sentences/things. I hope you understand when we use either or neither.

is there anyone who tells me whether I sound correct or not If I say that Mom or Dad is going to the movies?
Neither- nor dad nor mom agree with me is it correct

English video editing and photoshop are my favorite courses. or English video editing and photoshop is my favorite course. I’m confused by these words is there anyone who help me to get rid of it. which one is correct the first one or the second one