Can't downgrade to SoftRAID Lite

I've had a couple SoftRAID Pro license over the years. My most recent plan is now expired. I don't use the software enough to justify the expense of a Pro license so I purchased the Lite version. 

I cannot seem to find anyway to get this to work. When I try to launch the version 7.6, it immediately stops and informs me that my plan has expired and I need to upgrade to use it. I don't see any way to update the license.

If I try to run a previous version, a la 6.3, it fails to run since I'm on an OS that it doesn't' support. 

Would appreciate some help, thanks!