Determine the barcode type you need, such as UPC, EAN, or ISBN
Register your business with GS1 or the relevant barcode authority
Obtain a company prefix from GS1
Assign a unique product number to each item
Generate the barcode using approved barcode software or a GS1 service
Print the barcode on the product packaging or label
Verify the barcode scans correctly before distribution
Keep a record of all assigned barcodes for future products