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Search the confluence plugin with the name "Easy Heading Pro for ConfluenceNavigation" in the atlassian marketplace or directly click the link below:
https://marketplace.atlassian.com/apps/1221814/easy-heading-pro-for-confluence?hosting=server&tab=overview
If you encoutered any problem please feel free to send an email to us at atlassian-support@shinetechsoftware.com
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