The VIA compatible PCBs come pre-flashed out of the box. You do not need to flash anything to start using VIA.
For Fairbanks, Lapland & Yellowknife PCBs only - Download link
There's a guide on how to flash the firmware in Tips and Tricks
Instructions for Iceland PCB can be found here on this page
Min version required: 1.3.1 - Download link
VIA guides in Tips & Tricks
Only compatible with QMK PCBs.
Bluetooth Software v1.0.3 - Download link
A fully customizable render model of the Ikki68 Aurora can be found in Blender Keyboard Render Kit by ImperfectLink. Currently this is the only model given out for rendering.
Aurora R1 Plate File - Download link