If your disk is on the very top, then it will not boot up macOS Big Sur. Your macOS Big Sur ISO file must go on the top, and the disc has to in down. I needed the Big Sur ISO (to create a virtual machine) to test various things like Intune and Jamf enrollment but doing so was tricky and these .Then click the DVD icon and select your macOS Big Sur ISO File that you have downloaded. I downloaded VirtualBox (version 6.1.16 r140961), and have added a new VM, called 'Snow Leopard VM.' I then configured the following: General: Advanced: Shared Clipboard: Bidirectional. I have a Snow Leopard 10.6.3 retail disc, and have captured an ISO with dd. Like macOS Catalina, macOS Big Sur will require VirtualBox Boot Image file, so here’s the file.Since it is a 32-bit Intel application, it doesn't run under Big Sur 11.1. Download macOS Big Sur VirtualBox Boot Image File. Big sur iso for virtualbox Well, there are quite a few new additions to Big Sur that not only help modernize the Mac, but redefine its position in Apple’s ecosystem.

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