If using ALM-PC please see the instructions on how to enable ''Version Control'' for an ALM project.
ALM User Guide on how to enable ''Version Control'' for a Project
To enable version control for a project:
1 In Site Administration, click the Site Projects tab.
2 In the Projects list, select a project.
3 Click the Enable Versioning button.
4 If the project is active, click Yes to deactivate it. Click OK to confirm.
5 When the process completes, click OK. Version control is enabled. ALM
displays a lock icon next to the project name in the Projects list.
ALM User Guide on how to Disable ''Version Control'' for a Project
To disable version control for a project:
1 In Site Administration, click the Site Projects tab.
2 In the Projects list, select a project.
3 Click the Disable Versioning button.
4 If the project is active, click Yes to deactivate it. Click OK to confirm.
5 A message displays, indicating that when you disable version control,
ALM deletes all version history. Click OK to confirm.
6 Click Yes to disable version control. Version control is disabled. ALM
removes the lock icon next to the project name in the Projects list.
This information is available on pages 94 -95 of the ALM Admin Guide