How I can find 25 years of annual yield of the system?

Dear Waqar Ahmad,

in order to see the 25 years of annual yield, you'll have to change the time range  of the assessment period to 25 years. This can be done in the economy settings:

 

Then simulate, and find the diagram of the annual yield here:

Hope that helps, kind regards,

Martin

ps: Please try to find a suitable description for your threads, like in this case "Diagram for annual PV yield over 25 years" or so. Then it will be easier to find also for other forum users.