choco install python3

PS C:Windowssystem32> choco install python3 --force
Installing the following packages:
python3
By installing you accept licenses for the packages.

python3 v3.6.0 (forced)
The package python3 wants to run 'chocolateyInstall.ps1'.
Note: If you don't run this script, the installation will fail.
Note: To confirm automatically next time, use '-y' or consider setting
 'allowGlobalConfirmation'. Run 'choco feature -h' for more details.
Do you want to run the script?
 1) yes
 2) no
 3) print
yes
 Downloading python3 64 bit
   from 'https://www.python.org/ftp/python/3.6.0/python-3.6.0-amd64.exe'
 Hashes match.
 Installing python3...
 python3 has been installed.
 Installed to 'C:Python36'
 The install of python3 was successful.

Chocolatey installed 1/1 package(s). 0 package(s) failed.
 See the log for details (C:ProgramDatachocolateylogschocolatey.log).

PS C:Windowssystem32> python
The term 'python' is not recognized as the name of a cmdlet,

'C:Python36'