What is Windows Server/IIS?

Windows Server is a series of server operating systems developed by Microsoft. It's used to provide centralized management of network resources, run applications, host websites (through IIS), and provide various services to multiple users and devices. IIS (Internet Information Services) is a web server software package also created by Microsoft, which is often bundled with Windows Server. It's used for hosting websites, web applications, and other content on the internet or on a private network. IIS supports various protocols like HTTP, HTTPS, FTP, and SMTP.