This article describes the steps how to add a workflow to the SharePoint Foundation 2013 site via SharePoint Designer.

  1. Install SharePoint Designer 2013 
    You can find the download file on Microsoft Download Center
  2. Open Shrepoint Designer on your PC:
    Start > Menu > SharePoint Designer 2013
  3. Open your SharePoint 2013 site via SharePoint Designer:
    Open Site> type in your SharePoint URL in the Site Name > Open
    SharePoint Designer
  4. In the SharePoint Designer page go to: Site > Workflows
  5. List Workflow > select the necessary List > Create List Workflow > OK
    Create List Workflow