1. Go to Settings.
2. Select the General Settings tab.
3. Scroll down to the Stock Management section.
4. Select Enabled under ALLOW DISPLAYING STOCK AMOUNT IN POS.
5. Scroll down and press Save.
6. Select the Locations tab.
7. Press the edit icon to the right of the location you want to display the stock amount on.
8. Scroll down to Warehouse and make sure the proper location of the inventory is selected.
9. Press Save Changes.