How to change the password of the administrator from guest account!!!

Step1-firstly open command prompt from your guest account.

Step2-type "net user".

note-don't put the inverted commas..

Step3-You will get a list of users which are in that computer.

Step4-copy and paste this "net user administrator *"

Note-don't put inverted commas.

Step5-press enter,then it will ask a password for the administrator,type the password carefully because it doesn't show what you typed and then press enter then again it will ask confirmation of password type the same password and press enter and the password of administrator will be changed!!!!