Please note the following steps requires win xp / vista / windows 7. Mac is not supported
Step 1: Step 1.
Step 3: Step 3.
4.After this you will get a Win rar archive window.There you can see your files displayed in a list.
5.Now either press Ctrl+P or in file menu select Default password (it is the 4th option from top)
6.Now enter the password you want.