1. With Atmoph Window 2 still attached to the wall, press both left and right of the frame lock, positioned on the bottom of the Atmoph Window body, to unlock the frame.
2. Release the frame by, while facing the Atmoph Window body, carefully pulling the frame up and out of the body from the bottom.
3. To connect the frame attach it first to the latch at the top of Atmoph Window body, then carefully push the bottom part of the frame into the frame lock until you hear it click in.