If you are hesitant to use a custom ISO, you can "debloat" an official version of Windows yourself:
: The x86 (32-bit) architecture is specifically chosen to support older processors that cannot run modern 64-bit software. Internet Archive Performance vs. Security
The ISO file size is significantly reduced (often under 2GB), and the installed OS takes up much less disk space.
Warning: Stripping Windows components can break features, drivers, updates, security, and app compatibility. Back up data and create full system images before proceeding. This guide assumes you understand risk and will use it offline or in a controlled environment.