Hello there, magnus1.

I’ll point you in the right direction on how to resolve your installation concern.

QuickBooks Online can integrate with third-party applications. In regard to the connection process, I recommend contacting the SOS Inventory support team for further assistance.  They can explain in detail how the app works and help manage your inventory.

I’m adding a link that contains resources to help your business thrive. Click here to access the QuickBooks Resource Center.

Additionally, our self-help articles contain instructions on how to perform any tasks in QBO: Get started.

Don’t hesitate to visit the Community again if you have other concerns. I’ll be glad to assist further. Have a great rest of the day.