Installation (Xp/Vista/Win 7) Double click 'Setup.exe' and follow the step by step to complete the installation. Registration Go to http://www.bak2u.com/activate.php to register the software. Enter the given Unlock Key into any of the locked folders in the computer. Testing Create any new folder on the desktop and place any unimportant files in it. Right mouse click and select 'Lock/Unlock Folder' to lock the selected folder. Set a password to lock and all files will 'disappear' from the folder.   To unlock, right mouse click and select 'Lock/UnlockFolder' and enter the correct password to access. Contact Us