Ok, this instructable works with HP brand Laptop/Desktop that comes with Norton 60 days trial.
And you need to have the Recovery Manager on your computer.(also comes with your HP PC)
Step 1: Uninstall Norton
If your PC is over 60 days old, which means Norton's 60days trial is over. Uninstall Norton completely.
Step 2: Open Up HP Recovery Manager
Once you are finished uninstalling Norton, go to Start Menu-All Programs-Recovery Manager
Step 3: Inside Recovery Manager
Go to Program Software Re installation
Step 4: Install Norton
Step 5: Done
Once you installed new Norton from your Recovery Manager , the trial days should be reset to 60 days.
Note: You may do this as many times as you like. No need to purchase license from Norton.
Note: Norton will ask you to enter your email and password again, you may use the same one that you registered with the other one.