9.0.02 adapter patch is just a zip file where as Strong/Risk Auth upgrade is installer. We can just unzip 9.0.02 adapter patch in same machine where 9.0 adapter was installed and replace old files. We don't need to extract in fresh machine. This step was applicable to earlier patch 9.0.01 where we need to execute installer. Document needs to be updated.
I have upgraded adapter in Linux and Windows from 9.0 to 9.0.02 by extracting and replacing files.