this is a OSBox image for your singleboardcomputer.
Download the appropreate release for your hardware. https://github.com/jerryhopper/sw-osbox-image/releases
Unzip the package, and write the img to a sdcard.
The insert the sd-card in your sbc, which will start the installation.
NanoPi NEO2 Black Allwinner H5 1.2 GHz quad core (ARMv8) 1024MB DDR3