How much free space needs BigSur have after installation and continuous usage for the operating system/apps to have optimum loading time?

[Nikos365]

Your configuration is not as per the guide.

Read here:

GUIDE - How to Boot macOS Installer on Desktops and Laptops using OpenCore [UEFI/Legacy] - OpenCore Install Guide

How to Boot macOS Installer on Desktops and Laptops using OpenCore [UEFI/Legacy] - OpenCore Install Guide Booting the OS X/macOS installers on a non-Apple computer can be challenging for new users. This guide is intended for those who wish to use OpenCore as a Bootloader and it covers a...

elitemacx86.com

The EFI Folder is downloadable in the msg

Please check the files EFI. ....

 

[EliteMacx86]

The EFI Folder is downloadable in the msg

Please check the files EFI. ....

See post #10