Before downloading Gunbot, note that you need to purchase a license in order to be able to run the software. You can get a Gunbot license at https://www.gunbots.com
Here you have Gunbot 12.8.3 Stable download links:
You can check changelogs here.
Here you have Gunbot 12.8.1 build 998 download links:
You can check the most important improvements on Gunbot v12 here.
You can check full changelogs here.
Here you have download links for Gunbot Starter v12.8.3:
Here you have download links for Gunbot Starter v12.8.1: