installer

noun

1. One who installs.

   “In the event industry there are two critical times when safety is often compromised, at bump-in and at bump-out. At bump-in the organizer is usually pressed for time and it is not uncommon for installers to work around the clock. At the end of the show or exhibition, bump-out carries an even higher risk as everyone is exhausted.”

2. A program that installs software in a computer and prepares it for use.

   “Because this version of the Windows Installer is aware of the GAC, it has the capability to publish components into it. […] You can manually or programmatically push an assembly into the GAC by using the command-line tool Gacutil.exe.”

   “Slackware does not include a graphical installer. Its package manager does not perform any dependency resolution. This can be jarring for new users, particularly within the last few years, but it also enables a deeper understanding of the system.”