This article covers everything you need to know about this specific image, from downloading to initial configuration. What is Pa-vm-esx-10.1.0.ova?
The standard PA-VM-ESX-10.1.0.ova template initiates a baseline configuration typically matching 2 vCPUs and 6.5 GB RAM. Storage Requirements Pa-vm-esx-10.1.0.ova
Review the template details page (confirming the vendor is Palo Alto Networks). This article covers everything you need to know