On the organization's donation page (i.e. ([nonprofitname].wedid.it), Scroll down and from the bottom right corner of the page, click the 'Login to manage my donor account' button.
Enter your login credentials...
** You can find your login credentials from the email we sent you after your first donation with the subject "track your donations in your account".
* choose "forgot your password" to reset it, if you don't remember your password or can't access the email that includes your system-generated login credentials.
Then in the "Contributions" section of your donor portal account, locate your Contact Details, and update them as you please.