Modify boot order

Method 1: from the Terminal

• sudo gedit /etc/default/grub
• edit order and save the file
• sudo update-grub

Method 2: Install Grub Customizer

• sudo add-apt-repository ppa:danielrichter2007/grub-customizer
• sudo apt-get update
• sudo apt-get install grub-customizer
• after the install edit the order