FydeOS wont let me enable developer mode

Hi so i need to download an apk beacause play store wont work unless i download that apk and i tried turning on developer mode then i noticed it went back off and i tried again it didnt work an help?

uh oh my pc only has legacy guess ill install another os

hello,
I checked my BIOS, UEFI is Enable, but after restart the developer mode roll back to disable state. any other action is requierd ?
thank in advance

Make sure itโ€™s UEFI only, not enable, select UEFI only