NSIS v2.17 by NSIS team

News:

Fixed a bug that corrupted $TEMP under Windows 9x and NT and caused InitPluginsDir to fail (bug #1412159)

Fixed a possible buffer overflow caused by long values of $0, when using large NSIS_MAX_STRLEN builds (above 4096)

Description:

Nullsoft Installation System is a pretty small, efficient, capable installation system for win32.

Generates self contained, win32 executable installer.

Uninstall support (installer can automagically generate an uninstaller)

Optional installer self-verification (using adler32)

Robust, efficient zlib-based compression

Approximately 32k overhead over compressed data size

Support for external EXE packers to pack the header

Display license agreement, custom configurations, directory/registry, ...

http://nsis.sourceforge.net/download/