Before powering on, insert the bootable usb drive into the targeted device. Once done, power on the device and override the boot drive from the boot menu. Pressing a certain Function key triggers the boot menu, this key depends on the motherboard's configuration. Usually F2/ F4/ F9/ F10 works. You can also override the boot drive within the BIOS settings of the device.

Once the device boots into bootable drive, You'll see a menu like the following-

Choose the first option Live system by hitting Enter.

This will boot into Shopno OS live environment. You may notice some messages/ errors on the screen but those are negligible.

Double click on the Install ShopnoOS icon on the desktop

This will open up ShopnoOS Calamares installer. On the Welcome page choose your preferred language for the installer from the dropdown menu and click on Next.

On the Location page, choose location as well as numbers and date format if necessary. Here, en_US.UTF-8 is the standard.

Then, change the default keyboard layout to your liking. Default is US.

On the partition page, choose the partition where you want to install ShopnoOS. From here-

To avoid complexity, it is advised to select the third option, Erase Disk and click Next.

Once you selected the correct partition to install ShopnoOS, on the Users page, create a new user by filling in the information. Once done, click Next.

Review all your configurations on the Summary page, if anything is wrong, go back and make necessary changes. Once you're satisfied, click on Install and wait for the installation to finish.

Once the installation is finished, check the Restart now option and click Done.

Remove the USB from your computer and hit enter as suggested. The system will boot into ShopnoOS.