WinMend Folder Hidden is freeware for Windows XP and Vista that you can download from the programs home page. After downloading, install it.
Now select folders or files that you wand to hide by clicking on the program’s right side menu tabs and close the program.
To unhide a folder or file, run the program, select a folder or file and click ‘Unhide’ button, enter the password that you previously entered. That’s all.