IPA: /ˌpriːˌɪn.stəˈleɪ.ʃən/
KK: /priˌɪnˈstɔːleɪʃən/
The action of setting up software or hardware before it is needed or before it is used.
The preinstallation of the software saved us a lot of time during the setup process.
Preinstallation → It is formed from "pre-" (meaning before) and "installare" (from Latin, meaning to place or set up). The word "preinstallation" refers to the act of setting something up before it is officially installed or used.
Think of doing something 'before' ('pre-') you 'set up' ('installare') — that's why preinstallation means preparing something ahead of time.