Where is YAML configuration reloading?

newbie here…

according to Configuration.yaml - Home Assistant, I should see some options for reloading my YAML configuration, or even “Check(ing) Configuration” under Configuration->Server Control… But all I have is…

Your User account does not have Advanced mode enabled.

Click your Profile icon (last icon in the menu) and enable Advanced mode:

Screenshot from 2021-08-28 16-12-48