Password protect your folders in Windows 7 using "Folder Lock"

You may need to protect your folders in Windows 7 for important document.
You can download free version of  "Folder Lock" from here:
http://www.newsoftwares.net/folderlock/

Folder Lock lets you password-protect files, folders and drives; encrypt your important files on--the-fly; backup them in real-time; protect USB drives and portable devices; shred files and clean history.