Migration from 1.6 to 2.1

“Rancher 2.1 supported upgrade release for Rancher 1.6 users. Rancher 2.1 includes a migration path for users to move from Rancher’s Cattle orchestrator to Rancher Kubernetes. Rancher 2.1 also provides integration tooling that analyzes Rancher Compose files and outlines how users can migrate an application directly to Kubernetes.” i was reading this few lines and i asked: How can i do it in my envirement that use rancher 1.6 ??