Follow these steps to sync Shopify inventory with Google Sheets using FlexSync:
First, make sure you have FlexSync installed and configured on your Shopify store.
Now from your Shopify dashboard, click on FlexSync in the Apps section.
Click on Sync on Google Sheets button. Wait a moment for the sync.
Then click on View the Google Sheet.
Now you can see and manage the synced inventory from your Google Sheet.