Step 1
Log into your website admin account and head to the dashboard. Click on Products and then on All Products. All the existing products in your store will show up.

Step 2
Each product has three options: Edit, Quick Edit, and Trash. Click on quick edit to open the individual product settings.

Step 3
Look for “SKU” and head to the “SKU” field. Add the SKU number in that field and save the changes.

Step 4
You have now updated the SKU