When these are selected, click on the Restore button at the bottom of the blade.
You can monitor the status of the restore in the Backup Jobs in the vault.
Restore VM to a new machine (Clone)Open the backup item in the Recovery Services Vault and click on the Restore VM button
You will be asked to select which restore point you want to use:
In this case I have only 1 restore point for the CRM2013Build to select from.
Name your virtual machine, select the Resource Group you want to restore it to and select a Staging Location again.
You will need to specify a unique name for the VM in that resource group or else you will get an error.
You can view the status of the creation of the new machine in Backup jobs in the recovery services vault.