Use any of these ways to find the model name and serial number of your Mac.
How Do I Find Out What Year My MacBook Pro Is? - The Mac Observer
How to find your Mac serial number, model, name, year, etc
Check your Apple ID device list to find where you're signed in - Apple Support
When Was Your Mac Built? How to Find The Make & Model Year of a
Check your Apple ID device list to find where you're signed in - Apple Support
Find your Mac model name and serial number - Apple Support
Where can I find my MacBook Pro's part number? - Super User
How to find your Mac serial number, model, name, year, etc
Here's how to quickly find your MacBook model and serial number
How to Fix a Missing or Unavailable Serial Number on Your Mac - iClarified
How to Find Your MacBook's Model, Year, and Age