How to see hidden folders?
To enable see hidden folders, for Windows XP use "Tools→Folder Options" menu item of Windows Explorer.
Then select "View" tab (arrow 1 on the image) and enable "Show hidden files and folders" option (arrow 2 on the image). Then press "Apply" (arrow 3 on the image).
For Windows Vista/7 use "Tools→Folder Options" menu item of Windows Explorer.
Then select "View" tab (arrow 1 on the image) and enable "Show hiddent files, folders and drives" option (arrow 2 on the image). Then press "Apply" (arrow 3 on the image).