1. a person whose job is to put equipment or systems in place and make them ready for use
2. a computer program that automatically sets up software on a device
Usage: computing

Examples

• The cable installer will arrive between 9 and 11 AM.
• We hired a professional installer to set up our new security system.
• The air conditioning installer worked all day in the heat.
• Download the installer from the company’s official website.
• The software installer will guide you through each step.
• Run the installer as an administrator to avoid permission errors.
• The installer automatically detected my operating system.