You can use Orchestrator Community Edition. There are 2 free Development Robots you can use.
https://platform.uipath.com/
- you have to create a tenant(Become a tenant button) - Managing tenants
- provision a Robot - https://orchestrator.uipath.com/docs/field-descriptions-robots#section-the-add-robot-window
- connect it to Orchestrator - Connecting Robots to Orchestrator
- create an Environment and add your Robot to the environment - https://orchestrator.uipath.com/docs/field-descriptions-environments#section-the-create-environment-window
- publish a package - https://orchestrator.uipath.com/docs/publishing-a-project-from-studio-to-orchestrator
- deploy a process - https://orchestrator.uipath.com/docs/field-descriptions#section-the-deploy-process-window
- schedule a job - https://orchestrator.uipath.com/docs/field-descriptions-schedules#section-the-add-schedule-window