An EC2 instance is a virtual server in AWS Elastic Compute Cloud that offers scalable, customizable resources for hosting websites and applications.
IIS (Internet Information Services) is a web server developed by Microsoft for hosting websites, applications, and services on Windows servers.
To create an EC2 instance on AWS, users can follow the steps provided, including selecting an image, setting up firewall rules, and connecting to the instance.
To install IIS on the EC2 instance, users can run PowerShell commands to install the Web-Server feature, enabling hosting and serving web content.