1 - For define work flow click on Actions button -> New Workflow and form appearing like this.
Entered require detail and save it.
2 - Listing of Workflow.
Define Workflow States: Click on Edit Workflow States.
Now this form is appearing.
Define Status: Define status click on Add New Button under Status section.
Define Transition: Define transition click on Add New Button under Transition section.
After define Status & Transition click on save button.
Please check your uploaded file extension.
Please Select a file.