For the Windows installer to configure the user's sc.ini to make win64 work automatically to following simple things need to happen:
1. dmd pull request must be merged:
2. Walter must switch the distributed sc.ini to this:
3. installer pull request must be merged:
I've posted here asking for help testing all of this:
(curl support will have to wait until we break out stuff into lib64 which I doubt is going to happen before 2.064)