Where can I download word Q for free?

Here's there homepage: goQ : Home of wordQ + speakQ : Word Prediction, Spoken Feedback & Speech Recognition Software
As it is a licensed product you are unlikely to find it for free.

This forum dose not support or condone the pirating of software if it is commercial closed source software buy it, your buying the software makes it profitable for developers to make the products you want and need.
If you have a financial hardship you can often get assistance from charities or organizations for assistive technologies. If you want to use linyx (a free ) operating system Orca is a nice screen reader.