GRUB2-UEFI的安装UEFI 64为安装命令（注意下面的盘符，改成具体的实际盘符）：
grub-install.exe --boot-directory=G:\ --efi-directory=G: --removable --target=x86_64-efi



GRUB.CFG 图示说明：

Converted Image



GRUB.CFG 示例：

# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
fi
if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi
export menuentry_id_option
if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi
function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}
function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}
if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
    font="${prefix}/fonts/unicode.pf2"
fi
if loadfont $font ; then
    set gfxmode=2560x1440,auto
    #set gfxpayload=keep
  loadfont /grub/fonts/dejavu-bold-16.pf2
  loadfont /gurb/fonts/dejavu-bold-14.pf2
  set gfxmode=auto
    load_video
    insmod gfxterm
    insmod png
    terminal_output gfxterm
  #set color_normal=light-gray/black
  #set color_highlight=white/black
    #background_image -m stretch $prefix/themes/taylor swift1.jpg
fi
if [ x$feature_timeout_style= xy ] ; then
  set timeout_style=menu
  set timeout=3
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
  set timeout=3
fi
set color_normal=light-gray/black
set color_highlight=white/black
if [ -e /grub/themes/starfield/usetheme.TXT ]; then
    # binary_syslinux modifies the theme file to point to the correct
    # background picture
    set theme=/grub/themes/starfield/theme.txt
    insmod jpeg
else
    set menu_color_normal=cyan/blue
    set menu_color_highlight=white/blue
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_linux ###
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f  ${config_directory}/custom.cfg ]; then
    source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
    source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###


menuentry "Windows 11" {
    insmod part_gpt  # 加载 GPT 支持
    insmod fat       # 加载 FAT 支持（EFI 分区常用）
    insmod ntfs
    insmod chain
    search --no-floppy --fs-uuid --set=root 05D2-DAC0  # 搜索并设置 EFI 分区
    chainloader /EFI/Microsoft/Boot/bootmgfw.efi       # 基于新 root 加载
    boot
}

menuentry "Restart(重启)" {
    reboot
}


menuentry "Power Off(关机)" {
    halt
}


menuentry "WinPE_m2盘" {
   insmod part_gpt  # 加载 GPT 支持
    insmod fat       # 加载 FAT 支持（EFI 分区常用）
    insmod ntfs
    insmod chain
    search --no-floppy --fs-uuid --set=root 75C1-BE65  # 搜索并设置 EFI 分区
    chainloader /efi/boot/bootx64.efi       # 基于新 root 加载
    boot
}


menuentry "WinPE_机械盘" {
   insmod part_gpt  # 加载 GPT 支持
    insmod fat       # 加载 FAT 支持（EFI 分区常用）
    insmod ntfs
    insmod chain
    search --no-floppy --fs-uuid --set=root 7CB9-A525  # 搜索并设置 EFI 分区
    chainloader /efi/boot/bootx64.efi       # 基于新 root 加载
    boot
}