If you specifically need a 32-bit (x86) environment for older hardware, you must use the original legacy versions of Hiren’s BootCD. These are based on Mini Windows XP and DOS.
Since this is often a community-driven or "remixed" version, it is typically found on enthusiast forums or archive sites (ensure you scan any download for malware). Create Bootable Media: Use a tool like to "burn" the ISO onto a USB flash drive. Boot from USB: hbcdpex86iso link
Pre-loaded with generic drivers for networking, storage, and graphics. If you specifically need a 32-bit (x86) environment