I don't have bank online, how to add a bank to quickbooks online

Welcome to the Community, camilalyrio.

I'm here to help you on how to add you bank account manually.

Here's how:

1. At the left navigation panel, click Accounting.
2. Select Chart of Account.
3. Click New.
4. Fill out the Account Type, Detail Type, and Beginning Balance.
5. Select Save and close.
   

After adding your bank accounts, feel free to utilize these articles as your reference in manually adding or uploading bank transactions in QBO:

• Manually upload transactions into QuickBooks Online
• Manually add transactions to account registers in QuickBooks Online

Keep me updated in the comments if you have further questions about banks in QuickBooks Online. I'm just a reply away. Keep safe and have a good one.