My bad. I dont have S120 in my hardware catalog in TIA 15.1. I opted not to install them because I only use G120. With G120 I can chose Control Units with DP.
Anyway, Starter is also available for download: https://support.industry.siemens.com/cs/ww/en/view/26233208
Anyway, Starter is also available for download: https://support.industry.siemens.com/cs/ww/en/view/26233208