An PPA upgrade should take around 5 minutes.
Download Upgrade ISO
Download the latest ISO to your local machine:
Upload to Datastore
From the Files tab of your virtual machine, navigate to a suitable datastore and folder.
Select Upload Files.
Select the ISO on your local machine.
Wait for the transfer to complete.
Power Off Virtual Machine
If the virtual machine is in a powered on state, right-click it and select
Power > Shut Down Guest OS:
Wait for the virtual machine to shut down.
Alternatively, from the console type
Select New ISO
Right click the virtual machine and select 'Edit Settings...':
Toggle 'CD/DVD drive 1', look for 'CD/DVD Media' and click the 'BROWSE...' button:
Select the correct PPA ISO from the datastore.
Power On Virtual Machine
Right-click the virtual machine and select
Power > Power On:
PPA will now boot and apply any database migrations automatically.
After a few minutes the new version of PPA will be available. Check the version label on the login screen to confirm.