Users are added in the Core5 Preferences. Your first account will be created during the first time setup.
1. Navigate to the Core5 Preferences.
2. Go to the 'Accounts' tab.
3. Press the '+' button to add a new user.
4. Enter a username.
5. Enter a password.
6. Enter a confirmation password.
7. Press 'Submit'
8. Core5 can now be accessed using the account that was created.