Show - Hide hidden files/folders in windows 7

Some files or folders was hidden by default. To show it, do exactly this instruction below.

• Open Windows Explorer, Select Organize -> Folder and search options (See image below)

• In Folder Options windows. Select tab View
• At Hidden files and folders section. Check Don't show hidden files, folders and drivers or Show hidden files, folders and drivers
• Click Apply -> OK 

If you check Show hidden files, folders and drivers, your hidden files/folders will display like this ( See image below)