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option

boot.loader.systemd-boot.windows

Make Windows bootable from systemd-boot. This option is not necessary when Windows and NixOS use the same EFI System Partition (ESP). In that case, Windows will automatically be detected by systemd-boot.

However, if Windows is installed on a separate drive or ESP, you can use this option to add a menu entry for each installation manually.

The attribute name is used for the title of the menu entry and internal file names.

Declarations
Type
attribute set of (submodule)
Default
{ }
Example
{
  "10".efiDeviceHandle = "HD0c3";
  "11-ame" = {
    title = "Windows 11 Ameliorated Edition";
    efiDeviceHandle = "HD0b1";
  };
  "11-home" = {
    title = "Windows 11 Home";
    efiDeviceHandle = "FS1";
    sortKey = "z_windows";
  };
}