Datapolis Process System
Site Workflow History
Site Workflow History behaves the same as List Workflow History (see Workflow History), the only difference being location. Here you will find how to get there. Location
Go to the Settings -> Use Site Workflows. Here you will find status of your current workflows. Click Show all workflows to display workflows which wasn't created by you.
Now similarly to the List Workflows you can see Workflow History by clicking on Status link. You can also check previous workflow instances and ended workflows by clicking Start new site workflow or check historical workflows.