Installer
(noun)
A person or thing that installs something.
Origin:
Late 17th century: from french installateur, from installer "establish, set up", from italian installare, from in- "into" + stallo "place".
Examples:
- The installer installed the new software on my computer.
- The installer was skilled at setting up new systems.
- The installer was hired to install new lighting in the building.
- The installer carefully followed the instructions to complete the installation.
- The installer made sure the installation was done correctly before leaving.