My advice is to download a Neuromancer glossary from the internet and have it handy for whenever you encounter a strange word.
For me it was "trodes". Trodes = electrodes, they allow your mind to plug into cyberspace (a futuristic version of the internet). Also, a deck, or cyberdeck, is basically a laptop without screen made to connect to Cyberspace - we have trodes now.
Take it easy, go with the flow, and play some Techno music in the background to adjust the mood 😎
I'd also recommend listening to the BBC radio play instead of trying to read the thing, it's pretty cool.