No, but logged in users get a better experience in our site

During checkout, when you have filled all the required fields, there is a check box which you click and an account will automatically be created for you with your credentials you provided.

An email with a randomly generated password will be send to you. After login you need to request password change to one you prefer. 

We encourage a fair use of the solved content, which you may download from your account page or from the email you will receive from us.

If you wish to close your account with solved papers, just drop us a mail and we will effect the closure.