List of articles

• One 、 download Python Various versions SDK
• Two 、 install Python
• • 1、 install Python 2.7
  • 2、 install Python 3.6.8 ( 3.7 / 3.8 / 3.9 / 3.10 The installation method is the same )

One 、 download Python Various versions SDK

Get into Python Home page https://www.python.org/ , Select Download Python edition ;

• Windows Version download : https://www.python.org/downloads/windows/
• macOS Version download : https://www.python.org/downloads/macos/
• Linux/Unix Version download : https://www.python.org/downloads/source/

Download several major versions , Installation ;

• 2.7.18

  2.7.18

  2.7.18 : https://www.python.org/ftp/python/2.7.18/python-2.7.18.amd64.msi

• 3.6.8

  3.6.8

  3.6.8 : https://www.python.org/ftp/python/3.6.8/python-3.6.8-amd64.exe

• 3.7.9

  3.7.9

  3.7.9 : https://www.python.org/ftp/python/3.7.9/python-3.7.9-amd64.exe

• 3.8.10

  3.8.10

  3.8.10 : https://www.python.org/ftp/python/3.8.10/python-3.8.10-amd64.exe

• 3.9.7

  3.9.7

  3.9.7 : https://www.python.org/ftp/python/3.9.7/python-3.9.7-amd64.exe

• 3.10.0

  3.10.0

  3.10.0 : https://www.python.org/ftp/python/3.10.0/python-3.10.0-amd64.exe

These will be downloaded Python Install all versions ;

Two 、 install Python

1、 install Python 2.7

double-click python-2.7.18.amd64.msi file , Perform setup ;

Select installation path ;

Select install components ;

Wait for installation to complete , You need to authorize the administrator user during this period ;

Complete the installation ;

2、 install Python 3.6.8 ( 3.7 / 3.8 / 3.9 / 3.10 The installation method is the same )

choice " Customize installation " , Check " Add Python 3.6 to Path " Options ;

Check all optional functions ;

Advanced options are selected as follows , Set the installation path ;

Wait for the installation to complete

Installation completed ;

Python Versions , Added environment variables ; Which version do you want to invoke in the command line? , Just put which version on the top ;