Fedora 38: Upgrade Your Bootloader with a Custom Grub Theme

Download the desired theme and unzip it
Here your_theme = folder name of bootloader Theme file
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Copy the your_theme folder to /boot/grub2/themes/*your_theme*
Open terminal in Downloads folder or Where your theme folder is located
Use command
Here in my case CyberSynchro then :
sudo cp -r CyberSynchro /boot/grub2/themes/CyberSynchro
otherwise
sudo cp -r your_theme /boot/grub2/themes/*your_theme*
Now navigate using this command in terminal
cd ...
cd /etc/default/
vim grub
Here above I am using vim editor you can use your own
Edit the file by presing 'I' on keyboard
comment this line in file :
GRUB_TERMINAL_OUTPUT="console" to #GRUB_TERMINAL_OUTPUT="console"
and change this
GRUB_THEME="/boot/grub2/themes/CyberSynchro/theme.txt"
or
GRUB_THEME="/boot/grub2/themes/*your_theme*/theme.txt"
Save and exit by pressing Esc then :x
now use command
grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg
All done Now reboot ....
#fedora #grub #bootloader