How to create a sellers account

[harrytaylor242]

How can you create a sellers account even though you have an account already. 
i have logged into my account and trying to list a item but all I’m getting is I need to register a sellers account/complete registration any ideas thanks. 

[**peaseblossom**]

Details here:

https://www.ebay.co.uk/help/selling/getting-paid/registering-seller?id=4792

@harrytaylor242