To generate the barcode of SKUs or Serials manually as well as in bulk, follow the following steps-
Step 1: Navigate to inventory >> Manage inventory
Step 2: Click on the hamburger menu and select Generate Barcode

Step 3: Enter the SKU/ Serial and the AWB number to generate the ASIN barcodes. click on the Search button

Step 4: Enter the Quantity and click on Generate

Step 5: You can find the Barcode like this in the new tab :

To generate the barcodes in bulk, follow the following steps:
Step 1: Click on Download Sample CSV

Step 2: Fill in the marked columns and save it

Step 3: Choose a file and Submit
You will get the generated barcodes in the new tab.

Note:
1)For serialized accounts, kindly enter the serial number at the place of the SKU in the sheet.
2)If your account is serialized and USN type 5 is enabled then you will be able to download barcodes with the SKU code from the "generate barcode" screen.