why is the videos with the woman not working

hello  so  i  saw that this was a good program so i thought  sing up  i  started   red it but the video with the woman don't work  i  am not  happy  i  really want to  learn  so i    be  better at  understanding... 
 

Hi Kristina - What device/browser are you viewing the videos on? Is it via an app or a desktop browser?