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If you're offline and need the license string instead, simply view your licenses @ https://at my.opmantek.com/licenselicenses
This shows all your active licenses and your Bundle Key.
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If you have the license string and want to add it to a server, access opLicense on your server, e.g. http://yourserver.domain.com/omk/opLicense and click the option "Enter a License Key" which will provide a box for entering the license key, then click "Add License".
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