Maya 8 PLE doesn't really have a serial number. It does have a 'code' that will allow you to install it. This should be on the read me file or in the book.
Which version are is the Maya PLE? 8.0 or 8.5
Just an FYI - Maya 2010 doesn't have a PLE version. It is a 30 day trial.
Edited by: subpartner_laud on Mar 26, 2010 7:51 AM
David Lau