How do I update my MacBook Pro from macOS 10.15.7 to macOS 11.0 or higher?

Back up your data, check the application compatibility table, click here, and if your MacBook Pro is a late 2013 or newer model, then on the download link for a higher OS.

(259864)

What is the model, and hardware model year / time of year for your MacBook Pro? That will determine whether, and how far, you can upgrade.