Keycode
is needed to unlock the software that you have downloaded so that you
an use it. Even if you have downloaded an evaluation version of the
software from the Altova website, you will need an evaluation keycode
that will work for about 30 days only.
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With a
keycode you cannot work in this software whether it is for evaluation
purpose or production purpose. You can request an evaluation keycode
from within the software application itself.
If you
have bought the software then you would have got the keycode that activates
your XMLSpy application for an unlimited period.
Apart from
the keycode that is used to unlock the software for unlimited period,
you can also buy a Support and maintenance keycode that will unlock
future software releases to you. This keycode is for a particular period
and within this period you can upgrade your software to new releases
if any during this period.