To create a dashboard, firstly go to the workspace items part of the settings area, then select dashboards.
Then you can click to edit an existing dashboard or create a new one.
Upon clicking create you will see a properties and permissions screen load.
Fill in each field accordingly.
Then click save
You will see a screen load where you need to choose the layout of your first dashboard band (You can add in an unlimited number of dashboard bands).
You have options as to the number of rows (maximum 3) and grid type (max columns 4), this is entirely up to you but you should consider the data being presented in specific panels.
Click on your preferred option, then save.
You are now ready to add all of your favourite widgets and charts!