The most reliable way to get the software is through the official WinSetupFromUSB Download Page , which provides the latest version (currently 1.10).
For installing Windows 7 32-bit itself, the target PC needs at least a 1 GHz processor and 1 GB of RAM. Downloads | WinSetupFromUSB download winsetupfromusb for windows 7 32 bits
Before creating your bootable media, ensure your hardware and the USB drive meet these standards: The most reliable way to get the software
WinSetupFromUSB runs on Windows XP, Vista, 7, 8, 10, and 11. download winsetupfromusb for windows 7 32 bits