Click My Account in the navigation bar to get to the page where you can edit your account settings.
You can change the first name, last name, email address, password, security question and security answer of your account on this page.
The account settings available from the "My Account" page.
There is a table that shows the edition you are currently subscribed to as well the features of this edition.
This box shows your current SpreadsheetWEB edition and included features.
All information on how to upgrade your subscription is provided in My Account in the SpreadsheetWEB Control Panel.