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Spirent KB Article
Doc ID: FAQ19878
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TTworkbench: Which license installer is required for the new TTworkbench Test Package 5.31 and newer?
TTworkbench 64 Bit, Microsoft Windows/Linux
Spirent C1 or C50
TTworkbench Test Package v5.31 or newer
All TTworkbench license installers from September 22, 2021 and newer support both architectures (old and new test packages/architectures).
In case you are updating your firmware on your C1/C50 to version 5.31 or newer and your TTworkbench license installer is older than September 22, 2021, please create a new case on
Spirent support team
to get a new license installer update.
Product : Installation,License Issues
TTworkbench: How to use the TTworkbench license installed on Spirent C1/C50?
TTworkbench: How to install TTworkbench license on Spirent C1/C50?