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If you want to install the add-on from Jira admin page, please follow the instructions below. (You need to be a JIRA Administrator in order to install Issue History)
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1. First, click
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Apps menu and go to Find new add-ons
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page.
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32. Type "Issue History saasjet" in the search box and then click on it.
43. Click "Free trial" or "Subscribe now" to download and install the app.
54. You're all set! 
Haven't used this add-on yet, then try it now! >>>
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