Install Homebrew which makes app and modules installtation much easier,
Enter this command in the command line:
$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Pnd then you can just enter this command:
$ brew install python3
For conda installation use this link and choose Anaconda.
Then you have to add full path to /...../Continuum/anaconda3/Scripts (instead of dots there will be something different regarding where you installed it) to your environment variable PATH - try to find out by yourself (but if you will have some troubles contact us). You will know that it's been added successfully by typing into your command line:
After succesfull installation follow how to create virtual environment