To install and activate license for RMsis in your Jira Cloud, you can follow these steps:
1. Go to RMsis listing page in the Atlassian marketplace and click on the Try it free button
2. The following pop-up will be displayed. Click on Start free trial to install RMsis and begin the trial.
A trial license is automatically generated and added for RMsis when you click on Start free trial button. Click on Manage App to see license details.
Once the trial expires, your paid license will be automatically activated.
If you wish to cancel the subscription, click on the Stop trial button before the expiry of the trial license.