Add a Password on Zipped folder - Windows XP Only

In windows XP, you can protect your files and folders by adding a password. And no software is necessary for this purpose! All you need is just to create a ZIP file and set a password. Let's do it.

1. First, select the files and folder that needs to be password protected.
2. Now right click on it and send it to Compressed (zipped) folder. 
3. Double click on the zipped folder to open it. 
4. Now click on the file menu and select Add a password.
5. Type and confirm the password in the Add Password window and hit OK.
6. From now, whenever someone tries to open this folder, he will be supposed to enter the password to open the file. 

Click to enlarge image

And sorry to note this system has been removed from Windows 7 and Windows 8.