You may want to review System Requirements & Known Hardware Issues before installing.
For Open Firmware systems, such as Apple PowerPC and other CHRP compliant systems, download Fienix Installer for Open Firmware:
Imaging Instructions | Troubleshooting for Open Firmware
For CFE and U-Boot systems, such as AmigaOne X1000 and AmigaOne X5000, download Fienix Installer for CFE and U-Boot (CUB):
Imaging Instructions | Booting Instructions for X1000 | Booting Instructions for X5000 | Troubleshooting for CFE & U-Boot
For CFE and U-Boot advanced users who wish to copy Fienix onto a multi-partition disk with a preexisting boot partition, a Live Image with no boot partition is also available: