In settings the first page you will see is your personal account.

Here you can set your own preferences.

Name
The name that identifies your accont
Email
This is your email address, and your login ID. If you change this also your login will change. if you change this in error your administrator can fix it.
Preferred language
You can choose your preferred language.
Preferred time format
You can choose between 12H and 24H. If you choose 12H the time will be shown with AM or PM at the end.
Two-factor authentication
Choose if you want to protect your account with 2FA
Show this page at Login
Choose the page you want to show first when you login