just check before with gparted or
sudo parted -l
sudo fdisk -l
for your main desktop:
check all disks are GPT
→ check that /boot/efi windows is on SSD not Nmve
be careful on update windows
→ on nmve create /boot/efi for Eos , ( 512Mo )
for dual boot ,
see this How difficult is it to set up EOS with a dualboot alongside windows? - #7 by kjw