Welcome aboard to the Community, @orangzeb.
When buying QuickBooks Accountant Desktop directly from the website, it defaults to a yearly subscription. To avail of the one time purchase, you'll need to call our QuickBooks Sales Team.
For the contact details, visit the following link (scroll down to Want to buy QuickBooks Accountant Desktop):
https://quickbooks.intuit.com/accountants/products-solutions/accounting/desktop/.
In case you want to browse topics, please click the link I'm attaching below. It contains a hub of articles about how to navigate the software:
https://quickbooks.intuit.com/learn-support/?product=QuickBooks%20Accountant%20Desktop.
Reach out to me whenever you have additional questions or concerns. Please know the Community has your back, and I'm here ready to help you. Have a good one.
