To view files you've downloaded while using Internet Explorer (for example, your MP4 video file from GoAnimate) follow these steps:
Step 1: Open Internet Explorer
Step 2: Select the "Tools" button and "View Downloads" to see files you've downloaded from the web, where they're stored on your computer, and choose actions to take on your downloads.
Step 3: If you need to find out where the file actually went on your computer, you can click the down arrow next to the 'Open' button and you will see options. If you click 'Open containing folder', you will be able to see what folder your file has been downloaded to