Despite of having a smooth upgrade/update from 1803 to 1903 (which for first time in my case carried group policies and tweaks done with 3rd party tools) I also

Despite of having a smooth upgrade/update from 1803 to 1903 (which for first time in my case carried group policies and tweaks done with 3rd party tools) I also still had to do the various tweaks in registry, mostly with help of rights elevation tool because with standard administrator I couldn't do a literal, pardon the word, shit because MS has decided I shouldn't tamper with stuff, settings they decided are best for me.