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 use 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>.nsi and <project>.graphics.nsh:

	<project>.nsi
	<project>.graphics.nsh

The last section describes Visual_UI feature - creating 'Visual Studio Setup' like installers without any pictures - by using colors only:

Visual_UI feature

Please read these sections carefully - a little experience with NSIS is necessarry to understand it because it contains many technical keywords.

Tip:
Script lines starting with semicolon (;) or hash (#) are comments, please read them, they contain a lot of useful information.