I have seen recommendations to not dual boot with non-obsolete Windows, because its updates would have a high risk of screwing up grub, but instead give that Wi

I have seen recommendations to not dual boot with non-obsolete Windows, because its updates would have a high risk of screwing up grub, but instead give that Windows it's own hard drive, and boot it 'manually', by selecting the boot drive at startup in the 'BIOS'. Sounds like that was good advice ?