

Next, go to Security Preferences and click ‘Allow’ to finish the activation process.

To activate system extension, first click ‘OK’: To use Virtual Disk on Big Sur, the user will have a few additional steps to load the virtual disk KEXT (kernel extension/modules) on Big Sur. To use the Symantec Encryption Desktop Messaging feature on Big Sur, the user needs to authorize the respective software to load and for adding proxy configuration at the time of the installation.

Allowing system extension during installation
