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You can test fully functional TFS4JIRA plugin for 30 days by obtaining an evaluation license. The easiest way to do it is to navigate to Jira Manage Add-ons (Manage plugins) administration page, locate the plugin in User-installed plugins section and click Free Trial button. You will then be redirected to my.atlassian.com site, where you can obtain an evaluation license.
Buying TFS4JIRA license
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