Open Flux on your Mac.
Flux is a private workspace installed on its operator’s Mac. This public page provides connection instructions; it contains no account data or public Flux interface.
Open your installed Flux app, or open Flux locally on this Mac. The local link works only on the Mac running Flux.
To manage QuickBooks, open Settings → Connections → QuickBooks. To use a connected company, select it in + → QuickBooks in the conversation.