There is no key. Release the gear lock, then go outside and climb on the windmill arms, turning them counter-clockwise. This will open the roof dome.
you can talk to her in the door on the bottom of the windmill . go in she will be on the top of the inside of the windmill
The haystacks (hay bales) are on the farm near the windmill. If you push them apart, you will find a hidden door that leads to Mordred's underground lab. (see relaated question)
you jump on the windmill and it will spin. You will see on the top of the windmill that the little door is opening up as you jump on the windmill. You enter the door and you will see that there is an aircraft/spaceship thing. You will need a fuel rod to power it up.
find a way to
the door that's locked
there is a code you can get from somebody!
you do the puzzle
just click randomly
go to the secret door
No
you have to finish the puzzle then click on the door
In the palace the right door