Quicktime considered as one of the best audio video players does not allow you to save any Mp3/Mpg file which you are playing online and gives you a option to upgrade your current Quicktime version to a Pro aka paid one. Here is a simple trick to avoid this paid option.

Just right click on the page where the file exists and right click on the file and save link/source as , this way you can directly save the file without paying any amount.

May be Quicktime needs to search for somemore advanced options wherein these above steps can also be avoided and the user’s need to pay before they can download the Mp3/mpg files.