I'm being asked to enter the bar code from my library card - I don't have one.

If you have paid for a subscription to Theory Test Pro but are prompted to enter a barcode when you try to sign in; it is possible that you have visited a library site, wherin your session became associated with the library. To solve this, you can:

It's important to note, to access this service remotely you must either be a member of a subscribing library that offers remote access or an individual paid subscriber.