Can't really remember what I did (if anything) to unlock the option that lets you change clothes. It's the one with the shirt looking icon where the rest of you special abilities are like the fire spell. To get the maid outfit, go back to the beginning where you first started in the jail cell and all the way to the right will be a maid behind locked bars, open the bars > get her uniform > take it to area with the water and clean it.
i have it.
Once you get at the girl in the room with the rechtenr ann eden it solves it from the you can sleep with money and items with men now.
after you do that Solte now up 1 type stand that opens the grid.
goes in there and down talk to him he sold items and it allows a new clothing and so having obtained the ability to change in yourself clothing
now I only need this help for the red boxes