Urgent Help Needed: SSL Installation on Nginx

I'm facing a issue with my website's SSL. It's a self-signed certificate that needs proper installation on my Nginx web server.

- Immediate Assistance: I need support right now.
- Exclusive Usage of Anydesk: The task should be executed via Anydesk only.
- Root Access: I do have root access to the server.

Ideal skills include:
- Extensive experience with Nginx
- Proficiency in SSL certificate installation
- Comfortability and efficiency using Anydesk.

I'm looking for a swift resolution to this matter. Thank you!