We've come to help, Fracmesa. Let me show you how we can access the advanced settings in QuickBooks Online (QBO), so we can initially set up your company file.
The advanced account settings differ depending on the region. However, being unable to find the advanced tab in the company settings is an unusual behavior of QBO. To get around the issue, we can perform several basic troubleshooting steps.
First, let's try logging in to your account through a private browser. We can refer to these keyboard shortcuts for easy access: