copy the hardware model string for use belowģ.copy the Mac-xxxxxxx text for use below.( that’s a dash and lower case L, then the pipe character, FYI ) In Terminal, on the Mac that’s running Parallels type (or copy/paste) ioreg -l | grep board-id.Get the correct board_id and hw_model information about your particular Mac: It’s a series of 6-7 command line strings but not too toughĢ. The technique to make one is available via Google but I used the one described here. Make an installer DMG from the downloaded “Install macOS Beta” app. I’m running on a 2017 iMac w/ 32 GB RAM with Mojave as my system OSĪlso, I saw almost every different error that people have been reporting and this method avoided all of them (so far, at least)ġ. I figured I’d cross post it here as well as many of us use VMs for testing new systems, etc.:įor those who have been trying to run Big Sur as a guest OS in Parallels, this solution is clean and works:įirst, I did this in Parallels 15 for Mac “home edition”. I finally figured this out last week and posted it to the Parallels forum.
