Can Nik v3 and Nik v5 co-exist?

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

@uncoy

Have any current users attempted to have Nik v3 and Nik v5 installed simultaneously?

Yes (while testing it) … but now run Nik 4 (+ 3) on Windows.