@RoaringJungle80 , @WeepingRacer22
of course must the installation of the BETA version manually choosen and currenlty only within the BETA version is the DLSS feature implemented. Hope you, the Beta Users, find many bugs which can fixed before the final release of SU10 will be ready 
May be you read again ( or first time ) the existing post, which describe all of that ( and also what a Beta is ):
https://forums.flightsimulator.com/t/read-first-welcome-to-sim-update-10-beta/507612?u=michamma