I have several ESXi hosts that running vSphere version 6.0 standard licenses. Now, I have a plan to upgrade all of that to vSphere version 6.5. I’m not sure to upgrade to vSphere 6.5 for free. Can I upgrade to 6.5 for free?
Yes, VMware 6.0 and 6.5 use the same license. You can upgrade for free.