pls help with proteus

hi all,
an doing a circuit shematic with proteus (isis) , and my problem is when i choose for example the pic18f4520 and i put it the sheet , the power pins VDD and VSS are not shown in the pic i've search a lot and i didn't found the solution,
pls help me how to show this pins in the component

thnx to all

You wont need these pins, they are already connected to VDD and VSS during simulation.

but how to do tu show them