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This website offers advanced functionality and has been designed to work on recent
Web Browsers only. Older Web Browsers may work in part, but have known issues and
are NOT supported.
Normally Chrome, Firefox and Safari automatically keep themselves up to date, while
Internet Explorer has significant version releases that require manual installation. Checking
your version is different on each Browser, however as a general guide select options
to the effect of "Tools --> About" from your browser menu.
There are also known subtle differences between the browsers, particularly evident when
editing specification content. These nuances are the result of choices made
by the Browser providers. You may like to try a couple of different browsers to
find your preferred option.