Wait until the screen is at question #1 before you press any key press a for the a answer press b for the b answer press c for the c answer press d for the d answer your house will then pop up after you're done
harry potter pottermore *added mixed houses i fixed it(づ。◕‿‿◕。)づ *added music btw i'm a slytherclaw, mostly ravenclaw tho (ravenclaw according to this quiz)