Are you trying to register an access code?
ACCESS CODE(RECOMMENDED)
+For best results, try searching by the correct access code.
+Make sure you have the correct access code.
An access code is a 20-digit combination of letters and numbers.(See example below)
EX22-WT51-07TX-MK33-4KE7
You'll find your code on a card that either came with your textbook or that you purchased separately.