These events are usually well-attended, and in the past I tended to go to lots of them. After a few years I found that I wasn't really being told anything I couldn't find out in ten minutes on the internet, so I stopped going.
As a PR Manager you'll probably find it interesting. Perhaps you even have a professional interest in the event?
Windows 10 Home vs Windows 10 Pro comparison: Here are the extra features you get in the Pro version