Pasar Pdf To Word

hi im very new to linux i want to manually install antix with uefi
pc with intel i3 7 gen / 16 GB Ram / nvidia gt 710 2 GB
i have two hard drives , 200 GB ssd and 2 TB HDD
for ssd i adjust 6 GB swap / 512 MB fat32 for uefi bios and flag it to esp / and the rest of that for root and for Hdd all of them for home
but when i adjust the flags and role of them , antix give me a warning that i dont make a partition for bios grub ,i make another partition for it flag it to bios grub or try change 512 MB esp to grub and other things like changing the partition role but this waring always come that i dont have bios grub partition
i check antix forums and youtube but i didnt find something useful for ME
i know if i do regular install it will automatically make partition for it but i want to know more and learn about linux so please help me (( and if possible how much size i should adjust for it )) thank you