You can choose to hide or show hidden files and folders in Windows 7 through the Folder and Search Options screen.
- In the Explorer window, click the Organize button.
- In the menu that appears, click Folder and Search Options.
- Go to the View tab.
- Under Advanced Settings, locate the Hidden files and folders section.
- Choose “Don’t show hidden files, folders, or drives” to hide these things from view in the Explorer.
- Choose “Show hidden files, folders, and drives” to reveal these things in the Explorer.
- Click the OK button.