The software is provided for by Showtec and its parent brand, Highlite. You can typically find the installer on the official product pages:

The is a dedicated software tool used to create and edit fixture libraries for the Showtec Creator 1024 DMX controller. It allows users to define DMX channel mappings for specific lighting fixtures, such as moving heads or LED PARs, which are then stored as personality files. Software Availability and Download

Once a personality is created on your PC, you must transfer it to the console via a USB stick . Troubleshooting Tips

I’ll assume you want option 1 unless you tell me otherwise. Which would you like?