I can help you with accessing QuickBooks ProAdvisor, @cristianyap2024.
Firstly, if you don't have a QuickBooks Online Accountant (QBOA) account, you need to sign up for it. To do so, click on this link and select the Free Sign up for accountants option.
Once you have a QBOA account, you can access training courses directly from your firm's QBOA account. Here are the steps to get started and get certified: