You can download the base image via the support.paloalotnetworks.com > software downloads page as a long as you have purchased a relevant VM. If you are looking for a trial then it would be best to get in contact with your supplier/PAN System Engineer who can provide you with the info you need.
hope this helps,
Click Accept as Solution to acknowledge that the answer to your question has been provided.
The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!
These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!
The LIVEcommunity thanks you for your participation!