wget -qO- https://github.com/Kitware/CMake/releases/download/v3.16.4/cmake-3.16.4-Linux-x86_64.tar.gz | tar xz
mv cmake-3.16.4-Linux-x86_64 cmake

# you can load this in a script that needs CMake
export PATH=$HOME/cmake/bin:$PATH

cmake --version
# cmake version 3.16.4