Your Springer account is shared across many Springer sites including SpringerLink (http://link.springer.com), Springer Materials (http://materials.springer.com), and AdisInsight (http://adis.springer.com), If you have previously created an account in one of these sites then you can log into SpringerLink with your existing account since the Springer Shop has been migrated to Springerlink.
If you already use SpringerLink, you will likely have access to selected content via your university or company. However, in order to buy eBooks, print books, single chapters or articles in SpringerLink, you will still need to create your own personal account. If you already have a personal SpringerLink account (including password), you can use this account to make purchases on SpringerLink.
If you are already registered with a personal SpringerLink account click here to enter your user name and password and then click the “submit” button.
If you need to change your account data, click on the login button at the top of the webpage, you will be directed to the Registration Page. After you log in, your account data will be displayed with the option to change what you had previously entered. Hit the "Change" button and enter the new information in the form that is displayed. Then click on "Submit" to save your changes.
If you are not yet registered with link.springer.com click here to create an account.