Serial Numbers & Keys

Repurchase of used serial numbers and keys.

Please note:

Each product since 2015 is delivered with a key, which is in principle
is infinitely usable.

Therefore it is possible to undo (deactivate) an activation.

If the deactivation is accidentally forgotten, the possibility has been created,
to use the same key several times (max. three times).

Please buy only one key if you are sure it is necessary,
the old key will be rendered unusable!

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