sudo apt-get install cmake cmake-gui 

 sudo yum install cmake cmake-gui 

 sudo zypper install cmake cmake-gui 

 sudo emerge cmake 

 pfexec pkgadd install SUNWcmake 

Download and install the latest distribution from http://www.cmake.org/cmake/resources/software.html. Download the installer .exe file and run it.

Download and install the latest distribution from http://www.cmake.org/cmake/resources/software.html. Download the .dmg image and open it. Alternatively, if you have Darwinports installed, you can install the CMake port. The +gui variant causes cmake-gui to be installed as well. Omit +gui if you do not want to install cmake-gui.

 port install cmake +gui 

Precompiled packages for other Unix flavors (HPUX, AIX) are available from http://www.cmake.org/cmake/resources/software.html

Alternatively, you can build from source. A source package is also available from the CMake download page.