How do I change the account associated with Bizum?

This operation is only available for remote banking for individuals. If you want to change to your individual profile, go to the drop-down menu located in the avatar with the initial of your name and select "Go to Personal".

You can change the account you have linked to Bizum at any time, from Accounts > Transfers > Bizum > More options > Profile. Finally, click on "Change", in the Account section.