You can install IIS either from the Manage Your Server Wizard, which will set up IIS with default settings, or via the Add/Remove Programs applet in the Control Panel, which allows more granular control over what you install.
To install IIS using Add/Remove Programs, follow these steps:
Open the Control Panel, and double-click Add/Remove Programs.
In the left pane, click Add/Remove Windows Components.
Check the checkbox beside Application Server in the list. The Application Server selection box will appear.
Check the checkbox beside Internet Information Services (IIS), and click OK. For this example, we’ll install just the basic components.
Click Next in the original dialog box to proceed to the file copy. You might be prompted to insert your Windows Server 2003 CD-ROM.
IIS is now installed on your computer. By default, IIS is set up with a basic HTTP service listening on port 80 of all IP addresses on your computer. This service will host only static web pages and text documents—no scripting is allowed out of the box, as a security measure. A locked-down SMTP server is listening on port 25 of all IP addresses on the machine, ready to send mail. You get an NNTP server, without any feeds configured or local newsgroups set up, on port 119 of all IP addresses on your box. If you elect to install FrontPage Server Extensions during the setup process, you’ll receive a default FTP site on port 21, and a specially created web site called Microsoft SharePoint Administration on ...