I think you can use it as unregistered copy for less than 300MB files. Site not clearly says that. I'm not best in registry, but I think there is some way to find about the expiration and stuff.
I used it for a 630 Mb file.
Lottery is a tax on people who are bad at maths
If only mosquitoes sucked fat instead of blood...
To do is to be (Descartes). To be is to do (Sartre). To be do be do (Sinatra)