You can do the following here:
Check your Username (can not be changed).
Set your Timezone.
Email address (you can also verify it from here if you have not already).
Enable or disable Email notifications.
Set your ETH payout address.
Change your password.
Make sure that the ETH address that you setup supports ERC-20 tokens, the one we recommend is Metamask. Find more info about Metamask at https://metamask.io/
Your wallet is your responsibility so make sure to set a valid one.