How to pay $220 green card fee?

Could you please clarify the process for paying the $220 green card fee? I'm curious about the different payment options available and the steps I need to follow to ensure the payment is processed smoothly. Is there a specific website or form I should use? Additionally, what forms of payment are accepted, and are there any additional fees or charges I should be aware of? I'd appreciate any information you can provide to help me navigate this process.