Unless you own an EPROM programmer (like the TL866), you will need to send the kick31.2.rom file to a service. However, the easiest route is to buy a physical ROM chip from a retailer that already has 3.2 pre-installed.
Kickstart is essentially the Amiga's "BIOS," residing in the system's ROM chips. While version 3.1 was the long-standing standard, Kickstart 3.2 introduces crucial modernizations: Large Drive Support: amiga kickstart 3.2 download
: The Amiga Kickstart firmware, including version 3.2, is copyrighted by Commodore, which was the original developer and distributor of the Amiga systems. As such, downloading or distributing Kickstart 3.2 without proper authorization infringes on copyright laws. Unless you own an EPROM programmer (like the
Mount and use Amiga Disk File (ADF) images natively without third-party software. including version 3.2