Cmake

Where to get

CMake can be most readily acquired from here:

DownloadCMake

Platform-Specifics

Windows

If you've installed CMake with the default settings, then you're good to go.

Mac OSX

If you've installed CMake with the default settings, then you're good to go.

Linux

You can either install from the downloadable package from the website, or, depending on your Distro, CMake could be listed in the integrated App/Software Manager. You can install with the default settings.