I'm trying to install said library for use with Python. I tried downloading the executable installer for Windows, which runs, but says it doesn't find a Python installation. Then tried registering (http://effbot.org/zone/python-register.htm) Python, but the script says it can't register (although the keys appear in my register).

Then I tried downloading the source package: I run the setup.py build and it works, but when I run setup.py install it says the following:

running install
running build
running build_py
running build_ext
building '_imaging' extension
error: Unable to find vcvarsall.bat

What can I do?

UPDATE (May 2014): Like said by some comments and answers, PIL is currently unmantained, and the way to go now is to use Pillow (https://pypi.python.org/pypi/Pillow/, pip install pillow).

python python-imaging-library windows-7-x64
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