


The PSN and CID are used to generate a LIC. The PSN is required to license and activate your product. The PSN is a 15-character alphanumeric value that you receive from Keil Software with your Keil product. dialog displays the CID for your computer. It is automatically generated by the µVision IDE and is used to generate the LIC required for product activation. The CID is a 10-character alphanumeric value that uniquely identifies your computer. There are a number of terms that you will encounter as you install and license your Keil product.

Without a current license the product runs as a Lite/Evaluation edition with a few Limitations.A current Product Serial Number (PSN) must be installed to activate (license) the product.Keil software products incorporate a license management system.
