How do I get help with my PayPal account?

Hello, friends! Tell me what to do if you have problems with your PayPal account. Could you tell me how to contact customer service for help? What are the available means of communication and what information should I prepare when contacting me to ensure a smooth resolution of my issue? When is the best time to go there to minimize waiting time? Are there any recommendations for a more efficient and effective interaction with the helpdesk?