

You’ll have to repartition your disk as GPT (which will delete all your data, so you’ll need to back everything up), then install them both again. GPT disks use an EFI partition that can hold multiple boot loaders. Install Linux first, so it creates a larger EFI partition. Then when you install Windows, it should use the same partition. In the UEFI (BIOS), you’ll be able to select which one you want to boot. Linux’s boot loaders (like GRUB) can usually show the Windows install as a bootable option. Windows’ boot loader will only boot Windows.
One thing to note is that you’ll need to run the grub setup again after you install Windows so you get it as an option at boot. How you do that depends on your distro. In Ubuntu and its derivatives, it’s just sudo update-grub.















Oh shit. My friends will find out that I play NSFW games. I mean, they already know, because they see it in their feed, and they get a popup every time I start playing one. But, now they’ll know even more…