# installer

> English word · Noun · frequency rank #31,223

## Definitions
1. One who installs.
2. A program that installs software in a computer and prepares it for use.

## Etymology
From install + -er.

## Easily confused with
- **install** (https://plainspell.com/en/vs/install-vs-installer)
- **installed** (https://plainspell.com/en/vs/installed-vs-installer)

## Common misspellings (12)
`innstaller`, `insatller`, `insstaller`, `instalelr`, `instaler`, `installerr`, `installre`, `instlaler`, `insttaller`, `intsaller`, `isntaller`, `nistaller`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/installer