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Reading these comments has me concerned about even installing Windows and Linux on different partitions of the same drive. Should I be concerned? I have an unused but relatively new Thinkpad onto which I want to install both Windows 11 and Linux.

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It's much the same as it always was really. If you don't want to dig around in your bootloader, just make sure you install Windows before Linux.

Linux installers are usually friendly with Windows, but Windows installers are still hostile to other OSes (I think).

The Windows EFI loader only loads Windows, and requires specifically rebooting into advanced startup to choose a different OS (and their mechanism for finding OS's isn't super reliable in my experience)

> Windows installers are still hostile to other OSes (I think)

This only happens in two specific cases: 1. MBR + same physical disk for both OSes; 2. Bad UEFI implementation on the mobo + same physical disk for both OSes.

Otherwise it should work flawlessly because their bootloaders are independent and it's only a matter of setting the desired boot order.

Nonstandard UEFI implementations are pretty common. ‘If it boots Windows it’s ready to ship.’

it also overwrites \EFI\BOOT\BOOTX64.EFI, which is annoying if you were using that to boot linux.

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