How to set the default boot win10 configuration for ubuntu20.04 and win10 dual systems?

I recently installed ubuntu20.04 and win10 dual systems on my laptop. Because win10 was installed first and then ubuntu was installed, the ubuntu system was started by default. Now I want to change it to win10 by default. How to set it up? Let’s take a look at the detailed tutorial below.

By default, we automatically enter the ubuntu system when booting.

Now we enter the ubuntu system desktop.

On the system desktop, weright-click the mouse--open in the terminal.

Enter the gedit command in the terminal to open the grub configuration file under our etc.

We put GRUB_DEFAULT = 2 in this file, because when our windows is started, we see the third one in the list, We Counting starts from 0, so it is 2.

Put GRUB_TIMEOUT = 3 It is to wait 3 seconds for the boot menu to start.

Finally, after we modify the configuration file, we still need sudo update-grub to update the configuration.

Now we restart the computer, and the win10 system will be directly selected to enter by default.

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