You can set up your business Information (Business logo, business name, and business address) on Settings -> Your Business
Beside business information, you can also manage your own information as a user dashboard such as your name, your email, and mobile phone number on Settings -> Your Profile
Note: If you change your email, the new email will be used to login to dashboard going forward.
In Your Profile, you can change your password
Additional Security (PIN and 2-factor Authentication)
You can set your PIN in Your Profile which will be useful when you create batch disbursement or do refund for credit card transaction
For 2-factor Authentication will be discussed more on the 2-factor Authentication page