PCTeXv5 Reader is installed even though a higher level was purchased.
Without entering the product code for your higher level product, PCTeX will default to Reader mode.
You should have received a product code either by email or on a printed label. If you did not contact the Sales Department (mailto:sales@pctex.com).
In PCTeX go to the Help menu and select Registration. Enter the product code in the space provided, and then click on Register.
If you continue to have problems contact Technical Support (mailto:texsupp@pctex.com).