[Dx4win] Upgrade Question

[Roger Huntley]

I am new to the program and am having trouble trying to get the upgrade to
open.  I received the key from Paul and copied it into the existing file
folder, however I am unable to figure out how to get the upgrade to open up
as version 6.01.  Checking the manual does not really explain the actions
required. What am I missing?
Thanks,
Roger, W7VV