English edit

Etymology edit

pre- +‎ install

Verb edit

preinstall (third-person singular simple present preinstalls, present participle preinstalling, simple past and past participle preinstalled)

  1. (transitive) To install (software, etc.) in advance.
    My computer came with the operating system preinstalled.

Adjective edit

preinstall (not comparable)

  1. (computing) Prior to installation.
    I can't install this software because one of the preinstall checks failed.