preinstall

verb
  1. 1

    To install (software, etc.) in advance.

    โ€œMy computer came with the operating system preinstalled.โ€

adjective
  1. 1

    Prior to installation.

    โ€œI can't install this software because one of the preinstall checks failed.โ€

Source: https://en.wiktionary.org/wiki/preinstall