Getting ready
Installing PyPy can be easy or hard, depending on your system. Binaries are available (http://pypy.org/download.html#default-with-a-jit-compiler) for x86, ARM, PowerPC, and s390x CPUs for Windows, macOS, and Linux OSes. In addition, Python 2.7 and 3.5 versions are available.
If installing on Linux, binaries are only usable for the distributions they are compiled for. Unfortunately, this means that many more recent distribution versions are out of luck. For example, the latest Ubuntu version supported is 16.04, while Windows doesn't have a 64-bit version available. If you don't use a binary that is expressly written for your version, you will most likely get error messages.
If you are running Linux and it isn't one of the distributions ...
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