Note: The 'Copy' option is not available on the card view on dashboards
You can easily copy a KPI List using the following steps:
Go to 'KPI Lists' from the main navigation menu on the left
Find the KPI List that you want to copy, click on the 3 dots to the right and click 'Copy KPI List'
You will then be prompted to change the name and assign the new KPI List
Once you have a copy of your KPI List you can edit the KPI List to make the changes you need