Install the following:

OpenCV python bindings:

    Pip: pip install opencv-python
    Or conda: install-c meno opencv3

CMake

    Pip: pip install cmake

dlib:

    First try this:
        Pip: pip install dlib --verbose
    If that doesn't work, try this:
        Download source: dlib (http://dlib.net/)
        Unzip, open terminal in root folder and run: python setup.py

face_recognition

    Pip: pip install face_recognition

TensorFlow:

    Pip: pip install tensorflow

TensorFlow:

    Pip: pip install keras