Python : Install2019/09/12

	Install Python for Windows.
[1]	Run PowerShell with Admin Privilege and Install. Make sure the version of Python you'd like to install on the official site below. ⇒ https://www.python.org/downloads/

Windows PowerShell
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# download
PS C:\Users\Administrator> Invoke-WebRequest -Uri "https://www.python.org/ftp/python/3.7.4/python-3.7.4-amd64.exe" -OutFile "python-3.7.4-amd64.exe" 

# install (to System Wide + set PATH)
PS C:\Users\Administrator> .\python-3.7.4-amd64.exe /quiet InstallAllUsers=1 PrependPath=1 Include_test=0 

# reload environment variables
PS C:\Users\Administrator> $env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User") 

PS C:\Users\Administrator> python -V 
Python 3.7.4

Python : Install (GUI)

	On GUI Installation, set like follows.
[2]	Double Click the Installer you downloaded from the official site.

[3]	Check a box [Add Python ** to PATH] to add Python Path to environment bariables. For install option, if you select [Install Now], Python will be installed only for the current user. On this example, we install Python for all user, so select [Customize installation].

[4]	Check a box [Install for all users] and click [Install] button.

[5]	After finishing installation, click [Close] button.

[6]	Run PowerShell and execute [python] command to verify installation.

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