Things you will need to run are Make and QEMU KVM
1 git clone https://github.com/PedroElFrijol/GuavaOS.git
If you are on windows then you must install WSL or use a VM of any linux distro
2 cd Guava OS && make all
Chadx86 new bootloader
EFI Memory Maps added
TSS
Memset Function
Screen Driver
Keyboard input
Paging
FileSystem