Notice:
Concepts "Graphical Installer powered installer" and "Graphical Installer project" are often mentioned in this manual. These names represent the resulting installer which is based on Graphical Installer extension - the Installer which uses background skinning or other feature from Graphical Installer package.

This chapter will introduce you the basic principles of Graphical Installer. These first sections give you a total view of it:

	Overview
	Features

The next sections describes two core files for each Graphical Installer powered installer called <project>.iss and <project>.graphics.iss and useful Functions, Procedures and Variables:

	<project>.iss
	<project>.graphics.iss
	Useful Functions, Procedures and Variables

Please read this section carefully - a little experience with Inno Setup is necessarry to understand it because it contains many technical keywords.

Tip:
Script lines starting with semicolon (;) or slashes (//) are comments. Please read them - they contain a lot of useful information.