The custom workflows can be found as an additional download in your Client.net accounts. Here is a blog
post on our site explaining how to get those files.
If you need additional information don`t hesitate to write back.
All the best,
the Telerik team
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items