Open your portrait or product image in Photoshop. Use the or Pen Tool (P) to create a precise mask around your subject. For hair, use Select & Mask (now called Select and Mask in the Properties panel) and use the "Refine Edge" brush.
Digital backdrops are high-resolution image files—often in (Photoshop Document) or JPG formats—designed to simulate professional studio environments. They range from minimalist solid colors and gradients to complex textured surfaces like brick, concrete, or vintage hand-painted canvases. hd studio background for photoshop zip file
Not all zip files are worth your time. Here is a curated list of sources, ranging from free to premium. Open your portrait or product image in Photoshop