as per the cert matrix, its supported. Do you see any errors? or what is that you see when you run the install?
32bit Windows support is gone ...
Impacted Releases: 184.108.40.206
Platforms: Microsoft Windows (32-Bit)
From Oracle BI EE Release 220.127.116.11.0 onwards, Microsoft Windows 32-bit is no longer supported. Ignore all references in the documentation to Windows 32-bit environments.
If you want 18.104.22.168 you must change your OS.
PS: the certification matrix as well says it's only 64bit