python2 Version: 2.7.16
python3 Version: 3.7.4
Note: The installation python3 need to fight win7 sp1 patch! Installation python3 need to fight win7 sp1 patch! Installation python3 need to fight win7 sp1 patch!
1, the installation python2.7.16
Normal installation, set the environment variable After installation:
C:\Python27 C:\Python27\Scripts
Then C: \ python.exe under Python27 directory named python2.exe
2, installation python3
Normal installation, set the environment variable After installation:
C:\Python37 C:\Python37\Scripts
Then C: \ python.exe under Python37 directory named python3.exe
3, reinstall the pip
python3 -m pip install --upgrade pip --force-reinstall python2 -m pip install --upgrade pip --force-reinstall