3. Fill in Attributes & Variants tab details

4. To add a new value, select a value or if its not appearing click on Search More

5. Select the Value and click on Select

6.If the value is not there click on New

7. Add the new value

8.Click on Save and Close

9. Click on Variants tab to see the variants

 10. You can click on one variant to select a variant

11. Set internal Reference, Sales Price, Cost, Weight, and Volume for the variant

You can also watch this video for reference: https://waoconnect.screencasthost.com/watch/c0eoDXV4xbA