How To Watch Megavideo..............?

I used to be able to watch megavideo just by clicking the play button but now when I press it another page comes up saying 'install plugin to watch movie online' and gives you a link to install. Is there any way to watch movies on this site the old way without the installation? If not then is it safe to install plugin and can you please give me directions of how to remove it afterwards as I'm only borrowing this laptop? Thanks in advance

Watch movies online