Save settings before upgrade

Since you guys haven't figured out how to do a simple upgrade yet, can I just export HKCU\\Software\\PDFCreator as a .reg file, uninstall and install the new version to keep my settings?  I have heavily customized my install and have foregone upgrades because of your uninstall requirement which dumps all my settings.  I just got tired of having to reset everything (some things still don't work right regardless of the setting options so I'd like to see if 1.2.1 fixes them before finding a new PDF creeation tool (like for example PDFOwnerPasswordString remembers the password in the registry but it still requires that I enter it every time I create a PDF file).  Thanks...