Link your account to Facebook

Login via Facebook
To link your account to Facebook follow the below steps.

1. Head to Linked Accounts in Account Settings
2. Log into your RuneScape account 
3. Select 'Link with Facebook' and approve the prompts 
4. Make sure your account is secure by enabling two-factor authentication through Facebook

Once this is done you can then log into game using your login details or by hitting the Facebook icon.