Leading into this, some Apple fanatics opted to install macOS 10. It will install the patch file in the VMware for macOS High Sierra and older versions in order to unlock VMware and let you install macOS on it. Nonetheless, macOS Sierra requires just 2 GB of RAM. Open that app from your Applications folder to begin installing the operating system. Install macOS High Sierra on Supported PCs - How to install macOS 10. The installer will eventually ask you where you want to install, and you’ll now choose the name High Sierra. For those who don’t like the sound of that, but still fear needing to downgrade, one forward-looking solution is to get into the habit of creating bootable backups of your Mac’s primary drive. Close the “macOS High Sierra Patcher” app when the download is complete and locate. When you see the boot selection screen as shown, release the key. How to install high sierra You need to login with your Apple ID.