Download: Under www.python.org, windows, installed after downloading directly
python3
python2
Configuration environment variable
CMD in c: \ Python35-32 \ python.exe D: \ 1.py # performs D disk file (do not deserve an environment variable)
Computer - Properties - Advanced System Settings - bike -path in the environment than +; c: \ Python35-32
After configuring the environment variables
cmd in the python D: \ 1.py (path without any increase in front, with environment variables)