Is Lightroom 4.4 a free upgrade from 4.3?
Yes. All "same version" updates are free, meaning anything 4.x will be free. When the release version 5, then you will have to pay to upgrade.
I love my girlfriend, my dog and my canon 5DIII - even though none of them ever do what I tell them
I am learning photo graphee - see the results at www.danmarchant.com