To hang curtains in a movie theater or cinema, you will typically need a curtain rod or track system. Firstly, measure the width of the area you want to cover and purchase a curtain rod or track that fits. Next, mark the desired height for the curtains and install the rod or track according to the manufacturer's instructions. Once the rod or track is securely in place, you can attach the curtains using curtain hooks or rings, ensuring they are evenly spaced. Finally, adjust the curtains to the desired length and make any necessary adjustments to ensure they hang smoothly.