1. I like neither pears not apples.
2. I don't like either pears or apples.
3. I don't like pears and apples.
4. I don't like pears or apples.
5. I don't like both pears and apples.
Sentence 5 is different in meaning from others.
Then, how about other sentences from 1 to 4?
Are they all same in meaning?
Pope of the Dictionary.com Forum
With sentence 5, if you want to use "both pears and apples", I would start it with "I dislike".
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.