To update your quantity on hand, navigate to Inventory -> Inventory Management
1. You will see a 'Quantity' column.
2. Click the number that you would like to change and it will change to an edit box.
3. Change the quantity and click 'enter' on your keyboard or click out of the text box.
4. You will see a successful message at the top right of your screen.
5. If you have auto-sync enabled (blue arrow icon next to your SKU number) this will send out a sync automatically to your sales channels.