Here are some key features of "Folder Armor":

lock your important folders, then you clicked Lock Folder button. That is all!
Using context menus:
If you did not disable the option "Integrate Real Folder Lock into shell" when installing Real Folder Lock, a item will be added to the standard folder context menu, which appear when you click the right mouse button on a Folder icon in Explorer or Desktop. For archives Real Folder Lock adds the items: Lock Folders. you only click it to lock folders.
Automatic Lock Folders:
Icon of Locked folders will change a cool folder, and pop a password dialog after you clicked it. It will Automatic Lock Folders when you close the folder window! And locked folders are strictly forbidden to copy & delete!
Unlock Folders:
You can Unlock folder that you have lock the folders. You only clicked Unlock Folder tab, then select that you will unlock folders, clicked Unlock folders button. That is all