The text "EFI Shell Version 2.60 5.12 2021" typically indicates a pre-boot command-line environment released in 2021, often found on modern laptops (like MSI, Acer, or ASUS) and mini-PCs. Seeing this screen during startup usually means your computer cannot find a valid operating system to boot from or the boot priority has been misconfigured. Understanding EFI Shell Version 2.60
If you need a custom build (e.g., for a specific motherboard or embedded device), you can compile it from the EDK II source: efi shell version 260 512 2021