I am wanting to learn Linux, and installed Kali but I see I still have much to learn in Linux before using that distribution. I dual booted installed it alongside Windows 10 and every time I boot up I get the Grub bootloader for Kali with the option to boot into Kali or Windows. I've managed to get Windows as the default after 10 seconds of inactivity, but I want to uninstall Kali and install Ubuntu to learn Linux usage there.
What is the right way to uninstall Kali so not to loosing the ability to boot into windows? I don't think I did my installation in the recommended way in terms of the Grub.