If you are on a Laptop or Desktop you can log in through the Menu on the top right-hand corner of the web page using the person icon.
Here is where this is:
Fill in your login details here:
Once Logged in you will be brought back to the home page. Select the person icon once again and you will be viewing your BURST account.
From here you can view your BURST account, Orders, Subscriptions, Payment methods, and Addresses.