Step 1: Click on the "inventory" tab
Step 2: You want to adjust the left hand Search & Filter section. Click on item tab (turning it blue) and search for the barcode option in the dropdown tab
Step 3: This is what it should look like. Click the "search" button
Step 4: The item you are looking pops up on the right hand side
Step 5: Clicking on the item will reveal the record