Dual boot means to install Ubuntu and Windows 10 then use GRUB (Ubuntu boot manager) to select which Operating System to boot at any time. What you need for the Dual Boot A computer with Windows 10 installed A USB stick with at least 3GB free space .
How do I boot Ubuntu 20 04 into Windows 10?
Booting into Ubuntu 20.04 or Windows 10 From now on, when you start your system, the GRUB loader will ask you which operating system you want to load into. Use your arrow keys to scroll up and down, and press enter to choose an option. After making your selection, the chosen operating system should load as normal.
Can I boot Ubuntu and Windows 10 at the same time?
After the reboot, you will have the option to either boot to Ubuntu or Windows 10 (shown below as Windows Boot Manager). I hope you have been able to dual boot Ubuntu and Windows 10 with this guide.
This of course begs the query “What happens when you install Ubuntu on Windows 10?”
If you install Ubuntu after installing Windows 10, Ubuntu will be your default operating system. When Ubuntu is set as the default operating system, the GRUB boot loader gives you ten seconds to select Windows 10 (or the Windows Boot Manager) and boot into Windows 10 instead of the default Ubuntu.
Select the boot device as your USB Drive and press Enter. You should see a screen as seen here: From here, it is just a few clicks for the basic setup which are shown below: Select Install Ubuntu option (if you want to try, you can actually use the Try Ubuntu option which still gives you the full capabilities.
How do I boot Ubuntu from a separate hard drive?
Usually, you can change the boot order in the “Boot” menu. Set the Boot order to boot from a USB drive first. If you want to boot Ubuntu from a separate hard drive from your Windows install drive, you will need to open your computer and disconnect your Windows hard drive during the Ubuntu install process. Boot from the Ubuntu USB install drive.