On the USB drive, find the file ISOLINUX.CFG and open it in a plain text editor (e.g. Mount the ESXi installer iso you downloaded in step 1 and copy all of its contents to the USB drive (you can just drag-copy in the Finder.) Unmount/eject the ISO.Ĩ. Type f 1 (return) to flag the first partition as active/bootable and exit fdisk, save/write changes if prompted.ħ. Open Terminal, type “diskutil list”, note the system name for the USB key - probably something like /dev/disk2 but it CAN VARY FROM SYSTEM TO SYSTEM SO BE CAREFUL. Use Disk Utility to format the USB key with Master Boot record partition map and FAT32 file system.Ĥ. Get a small (1GB is enough) USB key, make sure it’s the kind that Macs like (I’ve encountered one make/model that could NOT be formatted/erased with a Mac, but of course I can’t remember which one - just test beforehand that Disk Utility lets you partition it.)ģ.

In my case, I went with ESXi 6 - the download was named, literally, 'VMware-VMvisor-Installer-6.0.0.update02-3620759.x86_64.iso”.)Ģ. Get the installer (make free account on VMWare site, download ISO). Open that app from your Applications folder to start installing the operating system.PHASE I: A Mac-compatible VMWare installer. I followed this: Which basically equates to:ġ. Safari will download the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. macOS High Sierra can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion.macOS Mojave can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion.macOS Catalina can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks.

macOS Big Sur can upgrade Catalina, Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks.

After you've downloaded the installer from the App Store, the installer will open automatically. Safari uses these links to find the old installers in the App Store.

Install os x el capitan on esxi