How do I upgrade my jira interface to next-gen? I am currently Jira Cloud free.
Do you refer to the new Jira navigation experience? If so, this article may help: https://support.atlassian.com/jira-software-cloud/docs/new-jira-cloud-navigation/
Or do you refer to next-gen projects? These are projects that are easier to manage and that don't require a Jira admin to set them up. For that, you don't need to upgrade your Jira, you can create a next-gen project by selecting this option when creating a new project:
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