about window house

first, i make a new layer, then use rectangle marquee tool to make a window, i lock it, make a new layer again, use eyedropper tool to adjust the colour, use paint bucket tool to colour it, then use brush to make the effect with blue colour, you can adjust the thickness of the brush, add some effect as much a you want snd done!! hahaaha. it is for make 1 rectangle :D

the others, i make it by myself

before

after