What is the status of 64-bit development on Windows?

[katuday via Digitalmars-d]

On Tuesday, 21 October 2014 at 00:04:50 UTC, Brad Anderson wrote:
> On Monday, 20 October 2014 at 21:05:33 UTC, Joakim wrote:
>> For 32-bit compilation, no, no additional download is 
>> necessary.  For 64-bit, you need the Microsoft COFF linker and 
>> C runtime.  The installer will try to automatically configure 
>> dmd to use those if you have them already.  Have you tried it?
>
> Just to add to this, use `dmd source.d -m64` to try it out and 
> see if you're already configured and ready to go.

I got it! Perfect.