VIM4 has an onboard eMMC, so you can install the OS into the eMMC.

VIM4 comes with the OOWOW¹⁾ embedded service, you can use OOWOW to install your preferred OS directly from the Cloud, which is the easiest way to install OS.

Please check VIM4 Install OS into eMMC via OOWOW.

You can also choose to install the OS into eMMC via the USB Upgrade Tool²⁾ on a Windows PC.

Please check install-os-into-emmc-on-windows.

You can also choose to install the OS into eMMC via the USB Upgrade Tool on a Ubuntu PC.

Please check install-os-into-emmc-on-ubuntu.

VIM4 also supports to boot from external storage, e.g. TF card, USB storage, etc.

Please check VIM4 Install OS into External Storage.