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