There are pre-compiled binaries available on the Download page for macOS as disk images and tarballs. Typically this means selecting CMake as the Source directory and then selecting a binary directory for the resulting executables. Once the binary is installed, run it on CMake as you would any other project. In order to build CMake from a source tree on Windows, you must first install the latest binary version of CMake because it is used for building the source tree. The Download page also provides source releases. One may alternatively download and build CMake from source. C:\Program Files\CMake\bin) to the PATH in a command prompt. If that is not selected during installation, one may manually add the install directory (e.g. The Windows installer has an option to modify the system PATH environment variable. There are pre-compiled binaries available on the Download page for Windows as MSI packages and ZIP files. There are several ways to install CMake, depending on your platform.