A pre-configured Micro SD card image is provided and presently the supported method of installation.
Start by downloading the latest image:
Following which this should be uncompressed and written out to a Micro SD card that is at least 8GB in size.
This is just the same as when writing out a regular Raspbian OS image.
Those running Linux or Mac OS and familiar with the command line can use
balenaEtcher is a popular GUI option that is available for Windows,
Linux and Mac.