Here's excalty how we change our Playstation Network (PSN) ID. The first time we change our PSN ID it will be free but after that it'll cost you $5 with a PS Plus account. Around $10 if you don't have a PS Plus account... but if you're online I'm pretty sure you already have Plus.
How to Play a PS4 & PS5 on Laptops
• How to Play a PS4 & PS5 on Laptops