Grub Customizer is a graphical interface to configure the GRUB2/BURG settings and menuentries. You can install Grub Customizer using the Daniel Richter’s PPA for Grub Customizer.
To add the PPA to your system sources and install Grub Customizer open a terminal window (press Ctrl+Alt+T) and copy+paste the following lines:
sudo add-apt-repository ppa:danielrichter2007/grub-customizer -y
sudo apt update && sudo apt install grub-customizer -y
After the installation you can close the terminal window, to start Grub Customizer press the SuperKey and type: grub customizer