Turning a TV into digital signage involves converting a regular television into a display that can show dynamic content, such as videos, images, and text. This can be achieved by connecting a media player or digital signage player to the TV, which can then display content in real-time. Digital signage is an effective way to grab the attention of customers and promote products, services, or information in various settings such as retail stores, restaurants, hotels, and more. With the right setup, a TV can be transformed into an eye-catching digital display that engages and informs audiences.