The document provides steps to set up a Biz Analyst desktop app to sync data from a Tally ERP 9 installation to mobile devices. It involves downloading the desktop app, creating a user account, enabling the ODBC port in Tally, entering the Tally server details in the app, selecting companies for syncing, and allowing 10-15 minutes for initial data sync. The desktop app then continuously syncs changes from the open Tally companies to provide business intelligence on mobile.