Here is how to show display legend in a chart in looker studio
- First click on the file name from the reports list to open it
- Then click on "Edit" button in the top toolbar
- Next click on "Manage pages" option in the page navigation toolbar
- Then click on the page name in the Report Pages sidebar panel
- Next click on the pie chart to select it and show properties
- Finally click on "Display legend" toggle on in the right sidebar properties panel









