sudo add-apt-repository ppa:danielrichter2007/grub-customizer sudo apt-get update sudo apt-get install grub-customizer
Once you have installed it, you can can start it with
After that you can click on an entry and change the loading list:
The item at the first line will be the operating system which starts first.
After programming, it's good to move Windows to the top to enjoy playing for example Pillars of Eternity.