Read the following installation guides for each product. If you are simply running an upgrade to a Keynetix Edition, then you should be able to run the program and login as normal without any additional configuration.
HoleBASE: https://communities.bentley.com/products/geotechnical1/w/wiki/50260/holebase---setup-and-installation
KeyLAB: https://communities.bentley.com/products/geotechnical1/w/wiki/49579/keylab