trial version lock document

i've just bought a notebook with woird 7 trial installed.
i download a document from my email, opened it but can't work on it. itr is locked.
why?
how can i unlock it.

thanks

Originally Posted by tfisher

i've just bought a notebook with woird 7 trial installed.
i download a document from my email, opened it but can't work on it. itr is locked.
why?
how can i unlock it.

thanks

Save it under another name. It is likely a read-only document.