Python, GEOS and Shapely on Windows 64

Question

When trying to install Shapely on my Windows 64bit computer, I cannot get the GEOS library to work.

So far, I have run the OSGeo4W installer from which I installed

Answer 1

I tried the method of @jozef but failed even I imported the folder to the path.

A straightforward solution: add geos_c.dll, geos.dll to the library folder of your python environment. Then it works.