Select the groups whose content you want to version.
Activate the Contents tab bar.
Click Versioning > Version. The Versioning Wizard opens.
If you want to version other groups in addition to those selected, click Add and select the relevant groups in the Select groups dialog. Click OK to close the dialog.
If you also want to version the content of the subgroups, enable the Include subgroups check box.
Click Next.
Enter a description of the change in the Description box. If you do not want to make any further settings, click Finish. In this case, the Versioning dialog informs you that versioning is complete and you do not need to complete the subsequent steps. If you want to set the use of assignments and relationships, click Next.