There is no .zip file called
ImageMagick-7.X.X-X-Q16-x86-windows.zip at the location you mention.
There are a ton of downloads. The only windows zips are:
ImageMagick-7.0.5-4-portable-Q16-x86.zip Portable Win32 static at 16 bits-per-pixel component. Just copy to your host and run (no installer, no Windows registry entries).
ImageMagick-7.0.5-4-portable-Q16-x64.zip Portable Win64 static at 16 bits-per-pixel component. Just copy to your host and run (no installer, no Windows registry entries).
ImageMagick-7.X.X-X-Q16-x86-windows.zip at the location you mention.
There are a ton of downloads. The only windows zips are:
ImageMagick-7.0.5-4-portable-Q16-x86.zip Portable Win32 static at 16 bits-per-pixel component. Just copy to your host and run (no installer, no Windows registry entries).
ImageMagick-7.0.5-4-portable-Q16-x64.zip Portable Win64 static at 16 bits-per-pixel component. Just copy to your host and run (no installer, no Windows registry entries).