update mac air 13 to latest version of mac os

Can you post a photo (or screenshot) of the About This Mac window? (Click on the Apple menu, then choose About This Mac). Please black out the serial number to prevent revealing any private information.

Asking because the text below your initial question shows MacBook Air 13", MacOS 10.13, which wouldn't be possible with a new Mac purchased just last year.

What year model is your MacBook Air?

see > Identify your MacBook Air model - Apple Support

2023