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This is the Evaluation version of Windows. The evaluation period is 90 days for Client SKUs and 180 days for server SKUs. When the evaluation period has run out, Windows will automatically shut down a short while after you boot it. An evaluation period can be restarted "a few" (varies for every SKU) time, by issuing the command slmgr.vbs /rearm in a command prompt ran as admin.
Unlicensed
The images marked with "Unlicensed" does not have any license built-in, and must be licensed and activated by the user. All NTNU employees and students can obtain a license for all currently supported Windows versions through Azure Dev Tools For Teaching.
Licensed
The images marked with "Licensed" have the KMS-key builtin, and will automatically activate themselves through NTNU IT's licensing servers. We can only provide this solution for server SKUs.
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