尝试过不同版本的R，包括2.15的版本 （以前曾经装好过，当时也是卡在这个GTK的事情上，不记得当时怎么折腾好的了）。
尝试过下载zip包本地安装，也不行。另一个帖子里提到的5.0版本的Rattle，没搜到，因为R官网目前最新是4.0

以下是屏幕提示信息

Learn more about GTK+ at http://www.gtk.org
If the package still does not load, please ensure that GTK+ is installed and that it is on your PATH environment variable
IN ANY CASE, RESTART R BEFORE TRYING TO LOAD THE PACKAGE AGAIN
Error in inDL(x, as.logical(local), as.logical(now), ...) :
  unable to load shared object 'C:/Program Files/R/R-3.0.2/library/RGtk2/libs/x64/RGtk2.dll':
  LoadLibrary failure:  找不到指定的模块。

trying URL 'http://ftp.gnome.org/pub/gnome/binaries/win64/gtk+/2.22/gtk+-bundle_2.22.1-20101229_win64.zip'
Error: .onLoad failed in loadNamespace() for 'RGtk2', details:
  call: download.file(dep_url, path, mode = "wb")
  error: cannot open URL 'http://ftp.gnome.org/pub/gnome/binaries/win64/gtk+/2.22/gtk+-bundle_2.22.1-20101229_win64.zip'