Instead of letting the web browser to spawn the installation after
downloading, go to the download folder and run it as
administrator. Otherwise, you may see error message like
this
Download and install from a
digitally signed version from DATAQ that contains some of the addons from here,
or you may see warning message like the following ones. If so,
click on More info to reveal the
option to run the installation "Run Anyway", or
Some of our installation programs are created before Windows Vista/7
was
released, so you may see a Program Compatibility Assistant dialogue box
at the end of the installation, questioning if the software was
installed correctly. Don't worry, you can ignore this message, it is
installed correctly.