You might want to check the system requirements first.
If you are new to KLatexFormula, consider having a look at the 30-second get started overview.
The ChangeLog can be found here.
KLatexFormula is now available as a package on several linux platform including openSuSE, Debian and Ubuntu. Have a look at the Installation Guide — Binaries.
KLatexFormula runs natively on most Linux distributions, Mac OS X and Windows. To run KLatexFormula, you will additionally need:
A LaTeX installation, quite obviously.
You’ll also need ghostscript, although this is usually included in major LaTeX distributions for Windows and Mac OS X, and is usually installed by default on Linux.
To run the user scripts you need Python (optional). (KLatexFormula itself runs without Python but the provided user scripts won’t work without.) It is installed by default on Mac OS X and on Linux. On Windows you can download and install Python from here.
The distributed Mac OS X binary requires at least Mac OS X 10.8. The distributed MS Windows binary runs on Windows XP and later.
If you want to compile KLatexFormula, you will need additional tools:
The usual development tools: a C/C++ compiler such as
g++, as well as
CMake is used as the build system, required version 3.1 or greater (if your system CMake is too old, don’t worry as there are binary distributions of newer CMake versions which seem to work pretty well);
You need the Qt5 development tools. On Linux, you will not only need to install the qt5 (or libqt5) libraries, but also the corresponding development packages. On Windows and Mac OS X, you might download Qt from here. On Mac OS X, you can also install Qt from Homebrew or Macports.