OK, now I am really embarrassed. It was so simple all along: failure to read and understand more fully the instructions (a problem my spouse has often observed - lol). It worked perfectly, as advertised. Finishing up with the regions now.
I apologize for not getting back to this. I have been away on family business (and not near my PC). Thank you all for replying. I will be trying the suggestions and with some of the new knowledge feel a bit less ignorant now, especially the details on the OS and how things work with 64 ...
This post is for Greg or any others who might have more insight into the problem than I do. I have tried for a while now to install the most recent version of Matrix with no real success. Having read the posts in two other threads I have tried a number of different things: