How to create a burndown and burn up charts in JIRA?

Burn up chart creation steps :
* Go to the JIRA official web page.
* Now click on the project that you are working on.
* Click on the reports -> appears at the left side
* Now it’s time to select the Burn-up chart option.

Burndown chart creation steps :
* Go to the JIRA official web page.
* Now click on the project that you are working on.
* Click on the reports ->appears on the left side of the panel.
* Now select the burn down from the reports drop-down option.