Attempting to run v33 or newer on a 32-bit machine will result in boot errors. Stick to v32 for perfect compatibility. Where to Find the Batocera 32-Bit Link
Follow these steps to flash the Batocera image and boot your old PC. Step 1: Download the Image
Use a tool like Raspberry Pi Imager or USBImager to flash the .img.gz file to your 32GB drive.
Scroll down past the standard PC (x86_64) links to find the or Older Devices section. Look for the Very Old PCs (32-bit / x86) download link.
Before downloading any files, it is crucial to understand how Batocera supports older computers.