Permission Implications
Any dashboard created is shared with all users unless the user belongs to a group that is limited to a specific set of dashboards. Learn more about User Groups here.

Prerequisite
You will need to have the Widget and/or Counters built prior to selecting them for your custom dashboard. Learn how to build a Custom Widget or Custom Counter before proceeding.

Your user account must belong to a group with permissions for Dashboards with either "Create/Edit" or "Full Access."

Create a new dashboard

Navigate to Settings > Customization > Dashboards:

Click to enlarge
Click Add Dashboard:

Click to enlarge
Create Name, Description and choose from drop down list of Widgets and/or Counters:

Click to enlarge
Click Submit. You will be redirected to the new custom dashboard.

Change layout of dashboard

Layout Change Limitations
The dashboard layout requires Counters to be at the top of the dashboard and Widgets ordered below.

Once the custom dashboard is created, you can update the layout of the Widgets and Counters.

Select the dashboard:

Click to enlarge
Click the arrow icon and select "Move / Resize:"

Click to enlarge
To make the Counter or Widget wider/narrower drag the sizing icon:

Click to enlarge
To change the location of the Counter or Widget drag the location icon:

Click to enlarge
Click Save:

Click to enlarge

Hide a custom dashboard

Navigate to Settings > Customization > Dashboards:
Select the dashboard to hide:
Uncheck the "Active" flag and Click Submit:

Delete a custom dashboard

Consider Hiding
If you're looking to remove the Dashboard from the dropdown list, you can make the dashboard inactive instead of deleting it. You can always return and reactivate the dashboard whereas if you delete you will need to rebuild it.

Permission Level Required
Your user must belong to a User Group with the Dashboard permission of "Full Access."

Deleting for All Users
This action will delete for all users and cannot be undone.

Navigate to Settings > Customization > Dashboards:

Click to enlarge
Select the dashboard to delete:

Click to enlarge
Choose the option to delete:

Click to enlarge