I don't think Virtualbox has a UEFI option, so I think virtualbox is (rightly) booting legacy. But still it can't boot from that ISO I just tried VMWare Player I notice that one can choose UEFI or not ...

Manjora Linux is a user-friendly distribution based on Arch Linux. It aims to provide all the benefits of Arch Linux with an easier installation process and a more user-friendly experience. In this ...