Upgrade ArcGIS Desktop 10.3 to 10.4.1 without Uninstalling

Discussion created by DevGIS@Pondco on Nov 16, 2017
Latest reply on Nov 16, 2017 by DevGIS@Pondco

I am trying to upgrade my ArcGIS desktop 10.3 to ArcGIS desktop 10.4.1 for concurrent use. I searched for the documentation but could not find one. Is there any documentation on upgrading ArcGIS for Desktop from 10.3 to ArcGIS for Desktop 10.1.1?