This is a companion article to the available Installation Manual on Qlik Help.
The referenced document is written with QlikView November 2018 in mind, backwards compatible with 12.10, 12.00, and the older 11.20 version.
Please note this document is not meant as a replacement for training and using expert services for implementation. It will not go into great detail with regards to tabs, settings, etc. This information is covered in the documentation and help files.