cant find stairs in my castle so i can go upstairs and gussy in mirror (Sims Medieval)

Question

i'm supposed to go look at the mirror upstairs in the throne room so i can gussy up but there are no stairs leading upstairs i searched the whole throne room there are some doors but I cant open them maybe the stairs are behind one of the doors? please help me go upstairs!!!

Answer 1

to go upstairs just click on the button on top of the arrows interface or press page up on your keyboard here is a screenshot to show you where the upstairs button is: