Visit Power Admin for Jira’s Atlassian Marketplace page.
From the Hosting options dropdown on the right side of the page, select Server as the hosting type.
Scroll to the Resources section at the bottom of the page and click Download to get the Power Admin for Jira installation file.
In your Jira Server instance, log in as a user with the Jira System Administrator global permission.
Click the cog icon on the top bar and select Manage apps.
From the left-hand side menu, click Manage apps.
Click the Upload app link and select the installation file you downloaded in step 3.
Click Upload and wait for the app to install.
After the installation is complete, select Close in the Installed and ready to go dialog. You may need to provide your Power Admin app's license key in the License key textbox. You can copy your license key from https://my.atlassian.com
Log in to Jira as a user with the 'Jira System Administrators' global permission.
Click the cog icon on the top bar and select Apps. The Universal Plugin Manager (UPM) page will be displayed.
On the Purchased Apps page, click Check for Purchases then locate Power Admin for Jira.
Click the Manage button. The details for the Power Admin for Jira app will displaybe displayed.
Click the Disable button.