Are you using (A1200, A4000) or emulation (WinUAE)? Do you have an accelerator card (Vampire, PiStorm)? Are you looking to upgrade from 3.1/3.9 ? I can provide specific instructions for your setup. AmigaOS & Kickstart ROM download - AmiKit
You can now mount, insert, and eject ADF (Amiga Disk File) images directly from the Workbench as if they were physical floppies. amiga os 32 iso download top
After you have installed AmigaOS 3.2, here are a couple of pro-tips to take your setup to the top: Are you using (A1200, A4000) or emulation (WinUAE)