To Create a New Workflow

Do one of the following:

Select File > Settings > User > Customize Ribbon .

or
Right-click in the blank space in the ribbon and select Customize Ribbon from the pop-up menu.

The Customize Ribbon dialog opens.
In the Customize Ribbon dialog's Ribbon section, select New Workflow.

A new workflow is added to the list below Customize the Ribbon.
(Optional) Do one of the following:

Click Rename and rename the new workflow.

or
Rename the new workflow in the Label field in the Properties section.
(Optional) In the Properties section, from the Visibility drop-down list, select the visibility expression.
Note: The Visibility property holds the name of a named expression that will be evaluated each time the active model is changed to determine whether the item should be displayed. The named expression should return a boolean (True or False) result in order to work properly as a Visibility property.
Click Apply.