Okay, let's face it, the only reason why you have visited the help page is because you want to download the videos, audio, images etc, from this website, right? Well if so then it's simple, if you want to download a video or audio file, simply press the three dots and then select the option, 'Download'. However, if you are trying to download an image from this website, just right-click on the image and press, 'Save image as..'. If your on mobile, just hold down on the file you want to download, and press, 'Download'. Are you happy now? Okay, goodbye.
If you need extra help however, visit the Extra Help page.