To create a new workflow, go to Tasks > Workflow Manager.
Select New Workflow Template on the right of the screen.
The below screen will appear.
Under Workflow Details, enter a name for your workflow template and add a description for your workflow. You can enter a Group Name and a name for the Subtask under Groups on the right.
Once done, you can click Save to save the template as a draft or Create and View All to create the workflow and view the list of all templates.