AGInstaller is an easy to use and powerful development tool you can use to build full Windows 9x/Me/NT/2000/XP compatible setups for your developments. It approaches the gold standarts in this industry and has the gentleman's set of features such as registry and INI files creation/modification, Start Menu shortcuts, effective files compression and many others. It has several peculiar features such as CRC self-verification and two types of original user interface. At present AGInstaller has no graphical interface and build installers from a script file that has INI-file format. A script can be created with any text editor. Complete usage instructions and description of the script format are available. Only 46k overhead over compressed data size.