How to install Keras, Phython framework on Windows?

C:\xampp\htdocs\python>cd "%USERPROFILE%\Anaconda3\Lib\site-packages"
The system cannot find the path specified.

What's missing?

Is installing CUDA and Theano a prerequisite before installing Keras?

The link you gave appears to be out of date. I read "these instruction are deprecated" and they supplied another link.

If you feel that author needs to fix their install instruction, be sure to message them today.