3.6.0 exe leaves install.log and unwise.exe - ton of registry entries.
3.6.2 msi had is own uninstall program,
windows could not uninstall it.
3.6.2 https://www.povray.org/download/index-3.6.php
harder to find, 3.6.0 +
http://www.povray.org/ftp/pub/povray/Old-Versions/Official-3.6/
