In conda the latest version of conda is:
cudnn 7.3.1 cuda10.0_0 anaconda
But i need 7.4.2 for tensorflow-gpu.1.13 How install cuDNN==7.4.2 in conda?
This was not possible to do it with conda at the time the question was made. That is way it was suggested to try this. However, now it is possible. Follow the other answers