Inno Setup

Inno Setup is a free installer for Windows programs. First introduced in 1997, Inno Setup today rivals and even surpasses many commercial installers in feature set and stability. Key features: * Support for all versions of Windows in use today: 7, 2008 R2, Vista, XP, 2008, 2003, 2000, Me, 98, 95, and NT 4.0. (No service packs are required.) * Extensive support for installation of 64-bit applications on the 64-bit editions of Windows. Both the x64 and Itanium architectures are supported. (On the Itanium architecture, Service Pack 1 or later is required on Windows Server 2003 to install in 64-bit mode.) * 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/LZMA2 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. * Running other programs before, during or after install. * Support for multilingual installs, including right-to-left language support. * Support for passworded and encrypted installs. * Support for digitally signed installs and uninstalls. * Silent install and uninstall. * Unicode installs. (Windows 2000/XP or later) * Integrated Pascal scripting engine option for Advanced Run-time install and uninstall customization. * Full source code is available (Borland Delphi 2.0-5.0 and 2009).