Unfortunately, I don't have a direct download link for the software. However, I can guide you through the process:

Hold down the (Push-to-Talk) button, the Side Button 1 , and the Mon button simultaneously while turning the radio back on. The screen will display "PROG" if entered successfully.

Contact an authorized Motorola Solutions Dealer who may still have archived copies of the Alpha Series CPS. Manual Programming (No Software Needed)