Stephen J. Turnbull writes:
>>>>> "Zhu" == Zhu Wang <Wang>
writes:
Zhu> But there is no .Xdefaults or .Xresources files. I also tried
Zhu> several ways to find it without success.
You don't have one until you create it yourself, in your home
directory.
1. the OP writes from windows
If you want examples of useful stuff to put in there, see Help ->
Samples -> Xresources in the menubar.
2. greyed out in beta, isn't it? (there is Emacs.ad in data-directory)