Nik Collection 4 doesn't show up as an installed program in Windows 10

[Wolfgang ([ Win10, PL+VP+FP, Nik7 / 3.3 ])]

on my machine they are shown twice

as I took the (unusual) route to install the new version Nik 4 and the former Nik 3
→ Issues with Nik4 - #8 by Wolfgang