To edit your account details, go to the Settings page and click account details on the right hand side.
You can also navigate here by going to the arrow next to the profile icon in the top right and selecting My Account.
You will also be able to access your account details by clicking on Account > Details on the left hand dashboard from any Plannr screen.
In this section you are able to update the email addresses, manage your 2FA, globally reset your filters and create/change your password. More information on setting up 2FA is available here.
Once you have made your changes hit the Save changes button at the bottom.