Inno Setup is a feature-packed installation builder. Features include a wizard interface, creation of a single EXE for easy online distribution, support for disk spanning, full uninstall capabilities, customizable setup types, integrated file compression, support for installing shared files and OCX´s, and creation of Start Menu icons, INI entries, and registry entries.

Key features:

• Support for all 32-bit Windows versions in use today -- Windows 95, 98, 2000, 2003, XP, Me, NT 4.0.
• Supports creation of a single EXE to install your program for easy online distribution. Disk spanning is also supported.
• Standard Windows 2000/XP-style wizard interface.
• Customizable setup types, e.g. Full, Minimal, Custom.
• Complete uninstall capabilities.
• Installation of files:
• Includes integrated support for "deflate", bzip2, and 7-Zip LZMA file compression. The installer has the ability to compare file version info, replace in-use files, use shared file counting, register DLL/OCX´s and type libraries, and install fonts.
• Creation of shortcuts anywhere, including in the Start Menu and on the desktop.
• Creation of registry and .INI entries.
• Integrated Pascal scripting engine.
• Support for multilingual installs.
• Silent install and uninstall.
• Full source code is available (Borland Delphi 2.0-5.0).