6.5.4.1.  Versioning system

6.5.4.1.1. Show status of the file
6.5.4.1.2. Update selected working copies format
6.5.4.1.3. Undo changes
6.5.4.1.4. Check out directories / projects (for work)
6.5.4.1.5. Edit project/directory
6.5.4.1.6. Check in project (set read-only)
6.5.4.1.7. Upload changed data of the project to the server
6.5.4.1.8. Download changed data of the project from the server

You will find the Version management [Versioning system] context menu command at directory, project and file level.

Context menu at directory and project level
Context menu at file level