I have to go through shit like this in Windows all the time:

http://stackoverflow.com/questions/34906807/error-building-n...

Upgrading bcrypt didn't work for me.... I ended up installing Linux on a VM and developing inside the VM because that's the only way bcrypt would install.

Of course, I can usually get it to work some how, but I don't have these issues on Linux. Basically node works "good enough" on Windows, especially if you don't value your time.