Windows Server 2022 (64-bit) includes , which runs most 32-bit applications flawlessly. This is the recommended approach. The server OS is 64-bit, but your app runs in emulation.
If you are searching for a 32-bit Windows Server ISO because of a legacy application, consider these safer, modern approaches before committing to an unsupported OS: Microsoft Windows Server 2008 R2 Standard 32 Bit Iso