1. Go to File > Open, then click Browse...
  2. In 'File name', type 'c:\windows\system32' and press enter
  3. Change the 'Files of type' field to 'All Files'
  4. Drag any of the files into the 'cmd' icon

Bonus: type `explorer C:\` if you want to snoop around. There's a copy of Safari at C:\Program Files\Safari\Safari.exe