katherinevdw:
Check the Model View Options setting for the View that was placed in your layout. One of the
Model View Options (MVO) is for the visibility of doors and windows, under the Options for Construction Elements panel.
You should add a Signature to your Profile (click the Profile button near the top of this page) with your ArchiCAD version and operating system (see mine for an example) for more accurate help in this forum.
David