For anyone interested in familiarising themselves with Adobe Lightroom 5, the beta version is now available as a free download.
After download, it’s installed as a stand alone version of Lightroom. There are a few caveats you should know before you install it. Check out these important notes here: http://blogs.adobe.com/lightroomjournal/2013/04/lightroom-5-beta-now-available.html
That link also gives details of the new functionality in Lightroom 5.
The self titled “Lightroom Queen” (Victoria Bampton) has also written in her blog about what’s new in Lightroom 5. It’s a very extensive review.
Check out her blog; she’s got lots of great information about using Lightroom.