For Windows users, the Mac OS Big Sur ISO file must be downloaded and installed on a virtual computer. This will help in the installation of a new Mac OS. You can re-run the kexstat command just to be sure the extensions were loaded. Download macOS Big Sur ISO for VirtualBox & VMware (direct link) Users download the macOS Big Sur ISO file to create a bootable USB drive. Restart your Mac and VirtualBox should now work.
You should see a message that some applications require a restart to work correctly. If you want to install and use macOS Big Sur in a virtual machine (VM) such as Vmware Workstation or VirtualBox, youll need the macOS Big Sur ISO file. If you don't see the extensions loaded, the easier fix is to delete your current VirtualBox app, download and install the lastest version and then go the Security & Privacy System Preferences Pane. No variant specified, falling back to release Download and Install Windows OS on your Intel or Apple M series Mac. If the kernel extensions are installed, you will see something like this: Executing: /usr/bin/kmutil showloaded Run more than 200,000 Windows apps on a Mac, including Microsoft Office for Windows. You can verify this by running: kextstat | grep -v com.apple Big Sur disables the VirtualBox kernel extensions as part of the installation process. Oracle VM VirtualBox Base Packages - 6.1.36 Freely available for Windows, Mac OS X, Linux and Solaris x86 platforms under GPLv2: You might want to compare the SHA256 checksum or the MD5 checksum to verify the integrity of downloaded packages.