these are the following steps that you need to follow in order to change orkut password:
Step 1: Login to old orkut.
Step2: Click on settings.
Step 3: Click on Google Account Settings.
Step 4: Click on changing your password.
Step 5: Now type your current password or answer your security question and change your password.
Step 6: Click on save.
if you have any queries or suggestions, please comment.