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Go to your Bitbucket: click Administration ⚙ > Manage apps > Pages for Bitbucket
Click the Edit
icon next to the Licence key field.Enter the license key and click Update.
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To migrate specific projects or repositories, we recommend cleaning up Bitbucket first by removing any unwanted projects or repos and using the standard Bitbucket front-end (or the Bitbucket REST API for teams that are comfortable scripting). Once your Bitbucket server has only the projects and repositories you want, use a standard Bitbucket migration process to migrate the Bitbucket data. This is the safest and most straightforward migration approach when combining migration and cleanup tasks.
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