For custom windows/doors make sure you import the item with the Door or Window selected.
For changing wall color, simply select the wall you want to change. Then pick Modify walls.
Then you just pick the option of color or texture, depending on what you want.
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I'm more comfortable writing in English, but I can also write in French.
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(OvO)Â Â Â Hoot
 /)_)
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