python is not recognized as an internal or external command [duplicate]

Answer 1

Try this screencast or (not a best way) put python executable into C:\Windows\system32 folder.

The better way is to change Windows environment variable. In short, your path is: My Computer ‣ Properties ‣ Advanced ‣ Environment Variables

For more details please see this.

Answer 2

You want to append to your PATH the string C:\Python27, not the scripts folder. Basically, you want the folder with the actual binary python.exe on your path.