!!!please help desperate!!!!! music notation software.

Hello Everybody,
I hope you don't mind me making a request.

I downloaded this demo of Sibelius 3.
it's music notation software. (www.sibelius.com)
and made a composition..just for the fun of it.

It happens that my girlfriend and I became to love the compo.
But the demo just don't let you save your work.

I really don't know what to do.
Please, Please can you help me?

Desperate.

timo

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