MEK Prebuilt - 2019-09-06
A pre-compiled version of the full MEK that should run right out of the box as long as you have Python installed properly. Accelerator modules are also compiled for python 3.5 on x86-64 CPUs.
NOTE: It is best to install a 64-bit version of python if you can help it. Refinery won't be able to open extremely large(think over 1GB) maps if it's running on 32-bit python.