Upgrade ESXi 6.5 to 6.7

 Download and Mount 6.7 ISO.  In my case its via SuperMicro iKVM 2. Boot from the Media 3. Follow the Installer 4. Select the Media that contains the ESXi 6.5 Install and hit Enter 5. Select Upgrade and press F11 6. Press F11 to reboot to the new install