Fitting a lampshade involves assembling a lamp, selecting a suitable light bulb, and customizing it to suit your style. Start by measuring and cutting fabric to fit the frame, then attach and trim the fabric. Install the shade using the harp and finial. Choose a light bulb that meets your desired brightness, efficiency, and color temperature. Explore different lamp styles and add personal touches through color, fabric, and décor. For resources, consider lighting stores, home improvement centers, fabric shops, and online retailers, considering factors like safety, efficiency, and aesthetics when making your purchase.