After installing Etcher, open it and connect a USB drive.
!!!NB - Make sure the USB drive is formatted and has at least 8 GB storage space !!!
3.1 Next, click "Flash from file" on the Etcher window and select the ISO image downloaded in step 1.
3.2 Next, click "Select target" and choose the USB drive inserted into the computer.
3.3 Finally, click on the flash button and wait for a few minutes to complete the burning process.
After installing Rufus, open it and connect a USB drive.
4.1 The drive will automatically be identified by Rufus, tap on the device and select your USB to boot.
4.2 NB!! Make sure the boot selection is set to disk or ISO image. A file explorer will be open, then select the ISO image downloaded in step 1.
4.3 Click on the start button to create the bootable disk.
Restart the computer then click on your specific computer/laptop's boot menu key (e.g., F12, F11, Esc, and Del).
5.1 Once in the BIOS, select the bootable disk with the ISO image.
5.2 After selecting the bootable USB, you should be redirected to the Ubuntu OS in the USB.
5.3 Click on "Install Ubuntu" and then choose the language you are comfortable with.
5.4 On the next window, click "Normal installation, download updates while installing Ubuntu, and install third-party software" then click on "Continue."
5.5 On the "Installation type" window, click on "Erase disk and install Ubuntu" then click on "Install now."
5.6 A "Write the changes on disk" window will appear, click on "Continue."
5.7 Click or search your location on the next window and then click "Continue."
5.8 On the "Who are you?" screen, fill in your relevant personal details then click "Continue." You can also select the login method you want on this window.
5.9 After clicking "Continue," Ubuntu will start to install.
5.10 After installing, click on "Restart" and remove the bootable disk.
5.11 The computer will then restart, and Ubuntu will be fully installed.