Complete Steps for Upgrading QuickBooks Desktop Point of Sale to V19.0
Hi there, nisarsaeedy.
Welcome and thank you for posting here in QuickBooks Community. I'll share information about the migration policy and upgrading QuickBooks Point of Sale. Then, route you to the right support team to help you with the detailed steps.
When upgrading QuickBooks Desktop Point of Sale with version 19.0, you'll have first to make sure that you meet the minimum system requirements. Then, I suggest contacting QuickBooks Point of Sale Care. They have the tools to assist in sharing all the steps that you'll need to perform upgrading QuickBooks POS to ensure everything is in the good shape.