You can search the Internet Archive for "Windows Vista Official ISO" or specific checksums. If you find a preserved listing, look for the designation, which indicates 32-bit architecture.
While obtaining a Windows Vista 32-bit ISO is possible through archival sites, using the operating system is impractical for daily tasks. It serves best as a museum piece or a specific environment for running legacy software that refuses to work on Windows 7, 8, 10, or 11. Proceed with caution and ensure the system is isolated from the public internet. windows vista download 32-bit iso