GTK+ 2.4.14 is a legacy version (released around 2004), it remains essential for running older Windows ports of software like GIMP or specialized open-source tools. Download Link

Source: It is most commonly found on historical mirrors such as SourceForge (under the gtk-win project) or archived versions of the GIMP for Windows installer.

If you're building an application, it's recommended to use the latest version of GTK+ to ensure your application is secure, stable, and takes advantage of the latest features.

Version 2.4.14 was a minor but stable patch release, fixing bugs in the 2.4 series without adding disruptive features. This stability made it the “gold standard” for many proprietary and open-source Windows applications developed between 2005 and 2008.

The GTK+ (GIMP Toolkit) 2.4.14 runtime environment is a collection of open-source libraries required to execute applications originally written for Linux desktops on a Windows system without native porting.