python' is not recognized as an internal
This is probably caused due to Python not being added to the
Windows path. To add Python to the Windows Path, follow these
steps:
1. Start the Run box and enter sysdm.cpl
2. In the System Properties window go to the Advanced tab and
click the Environment Variables button
3. In the System variable window, find the Path variable and
click Edit
4. Position your cursor at the end of the Variable value line
and add the path to the python.exe file, preceeded with
the semicolon character (;)