Help Finding Your Reference Number

You can find your reference number on the:
Sticker on the outside of the software cd package
Invoice for the software purchase
Email which includes download instructions from CCS

If you do not have any of the above, email one of your registration files (like PCM.CRG or PCH.CRG) to

If you do not have a registration file, send as much information as you have about the purchase (name, address, date...) to

C-Aware IDE Demo
Embedded C Learners Kit
C Workshop Compiler