Can I Get certificate of QuickBooks software?

Yes, you can, Helly.

You'll want to make sure you have a QuickBooks Online Accountant (QBOA) subscription to take the certification course. Once you've signed up or logged in, you can follow these steps in taking the certification program.
 

1. Go to ProAdvisor from the left menu under Your Practice. 
2. Click the Training tab. 
3. Scroll to the examination section and click the Take Exam tab. 

I'm also adding this link that you can read for reference in taking the course: QuickBooks Certification.

You might also want to check out our QuickBooks Support page to learn some tips and trips in knowing your ways around QBOA. 

In case you have any other follow-up questions about taking the certification, you can always add them in your reply. I'll be here ready to assist you anytime. Keep safe and have a great day ahead!