Dear Members,
If you are wondering on how to log in using a PC application, this article might help you 
To connect your MT5 desktop app to the Deriv server:
- Click the ‘File’ tab in the top left corner.
- Click the ‘Open an account tab.
- Select ‘Deriv Holdings (Guernsey) Limited’.
- Select the ‘Connect with an existing trading account’ section, and enter your DMT5 credentials. (which can be obtained from the Trader’s hub here : Deriv App | Deriv)
Hope this information helps 
If you have any questions, please visit our Help Centre or contact us via Live Chat and WhatsApp.