vSphere 6.5 had a long closed and open beta phase to hunt for bugs.
With 614 days, the development time of vSphere 6.5 was over 20 month. However, vSphere 6.0 still had some serious issues. Since vSphere 6.0 VMware started to extend major release cycles.
iso file you downloaded and upload it to update manager. VMware vRealize Log Insight 4.0.0 for NSX Select the vCenter > Manage > ESXi Images > Import ESXi image.VMware vSphere Management Assistant 6.5 (vMA).VMware vRealize Log Insight 4.0.0 for vCenter.VMware Virtual SAN Witness Appliance 6.5.VMware vSphere Hypervisor (ESXi) 6.5.0.VMware vSphere 6.5 Release Notes and Download Links During VMworld Europe in Barcelona, VMware has announced that vSphere 6.5 will be available in Q4 2016. Today they made the bits available for everyone to download.