Ask for permission. Explain it was a gift and the best method you have found is to take it in the window but you need to remove the window to put it in.
Also explain that if the windows gets damaged you will cover the repairs. Hopefully it is a smaller window (36x24 or something) so that it isn't expense to repair.
Also explain that if the windows gets damaged you will cover the repairs. Hopefully it is a smaller window (36x24 or something) so that it isn't expense to repair.