We live in a 64-bit world. Most of us are running modern CPUs, and if you download a Linux ISO today, chances are the “x86_64” version is the only one you’ll look at. But every so often, you dig into the bottom of a closet, pull out an old netbook, or try to revive a legacy industrial PC, and you hit a wall.
Download the 32-bit ISO today and store it on a Ventoy USB drive. You probably won't need it for years. But on that rainy Tuesday when a 32-bit machine refuses to boot, you'll look like a wizard. boot-repair-disk-32bit.iso
Mainstream Linux distributions have either dropped 32-bit support entirely (Ubuntu, Fedora, Arch) or relegated it to a "legacy" status (Debian). Consequently, the last major update to the official Boot-Repair-Disk 32-bit ISO was several years ago. We live in a 64-bit world