How Does Image Upscaling Improve Low-Resolution Photos?

I have old photos that look pixelated. How does upscaling through editing improve the quality of low-resolution images?

    Image upscaling improves low-resolution photos by increasing  reflection shadow service their dimensions while preserving detail and clarity through advanced algorithms. Techniques like AI-powered upscaling fill in missing pixels intelligently, enhancing sharpness and reducing pixelation. This process is essential for repurposing images for larger prints, digital displays, or marketing materials, ensuring they maintain a professional and visually appealing quality.