I’m glad to help you with your banking concern, @vramca.
If you’re trying to connect your bank account to QuickBooks Online (QBO), you can follow the steps outlined below to do it:
Go to the Banking menu, then select the Banking tab.
Select Connect Account on the landing page if this is your first time connecting. Otherwise, select Add account or Link account if you've already created one.
Search for your bank.
Press Continue, then follow the onscreen steps to connect.