Installing CMake

https://cmake.org/install/
https://cmake.org/download/
https://gist.github.com/1duo/38af1abd68a2c7fe5087532ab968574e#file-centos-install-cmake-from-source-md

Compile from source and install

tar zxvf cmake-3.*
cd cmake-3.*
./bootstrap --prefix=/usr/local
make
make install 

Validate installation

cmake --version

cmake version *.*.*
CMake suite maintained and supported by Kitware (kitware.com/cmake).