1. to install software or an application on a device before it is sold or delivered to the customer
Usage: third-person singular present tense of preinstall; common in computing and technology contexts

1. software or applications that come already installed on a device when purchased
Usage: plural form; often used in discussions of bloatware or device customization

Examples

• The manufacturer preinstalls several productivity apps on all new laptops.
• Many smartphones come with preinstalls that users cannot easily remove.
• The company preinstalls antivirus software on every computer before shipping.
• Customers often complain about unnecessary preinstalls that slow down their devices.
• The vendor preinstalls the operating system and drivers on the server.
• Some preinstalls can be uninstalled, while others are locked to the system.