1, the choice of installation source program
Official website: https://www.python.org/downloads/
Select version download, according to the actual number of computers (64-bit), downloaded as:
Python-2.7.10.amd64.msi (18.48M)
After downloading the installation, select the path "D:\zero\Python27" after finish.
2. Configuration of environment variables
Open Control Panel--system--(left) advanced system settings--click on "Environment variables" in the lower right corner--administrator user variables above, select the "TMP" variable, then click on the "Path" variable below--click "Edit" button--in the Variable Value box, The cursor moves to the end, plus a ";D: \zero\python27" (remember not to add a semicolon at the end, since the variable value is separated from the value of the variable by a semicolon, but the last one does not add a semicolon!) )--Finally, OK, done.
3. How to test python under the cmd command line
Run--Enter "cmd"--enter "Python" in the black screen--the corresponding version of Python is displayed, which is the successful installation.
How to install Python under Windows