Tasked to install additional ram in a computer. he unplugs the system from the power source and removes the pc cover. what should he do next?

Put on an ESD(Electrostatic discharge) strap.

Explanation: An ESD wrap which is also known as ground wrap is a sort of a wrap that is tied around the wrist to protect the person electronic equipment's static electricity.  This wrap produces anti static energy which help in not producing any static charge while the technician touches the inner parts of the CPU of other internal parts of the system.

answer; by the southern association of colleges and schools commissions(institutional accreditation)