Question
How do I interact with the data in the default dashboards? Do I have to make a copy of the dashboard first?
Answer
Default dashboards are read-only, so you can not edit the dashboard. You can make some changes to the data in the dashboards by using the pre-built data and time filters they include. To learn more, see the article: Interacting with dashboards.
To make more substantial changes to a default dashboard, first, you need to create a clone of the dashboard. Once the dashboard has been cloned, you can do a lot more as described in these articles: