Log into your ShareIT account that was created when you placed your order, and change your email fromwithin the User Data section
Log in at https://secure.shareit.com/shareit/ccc/my_account.html?publisherid=14466&languageid=1
You can log in with the User ID and password you created when you initally placed the order
Or you can log in with your credit card number and original email address
Or you can log in the ShareIT reference order # and password
Or if password if unknown, you can enter the original registered email address, and the information will be re-sent to original email address