Using the Castiel mirror is a breeze. Since it comes fully assembled, all you need to do is find a suitable spot on your wall. Use the included hanging hardware to securely mount it. Make sure the wall can support the mirror's weight of 15.4 units. As for orientation, it has a single proper way to hang, so just follow the design. When it comes to maintenance, a simple wipe - clean routine is all you need to keep it looking its best. Avoid using abrasive cleaners as they might damage the antique goldleaf finish. This mirror is not subject to Prop65 and has no fire retardants, so you don't have to worry about those aspects. Enjoy the luxurious look it brings to your space!