Folder Lock, Free, from InstantLock.net is a 1 second Lock and Hide for folders. It is free, download it from Instantlock.net, to hide and lock your folders. Top folder lock, hide folder, tool to : password protect, files and folders. Drag and drop your files to program or use Windows Explorer right click menu to password protect quickly. Designed for, Windows XP, Vista, Windows 7, Windows 8, Windows 8.1, and later.