Before proceeding, confirm your PC actually needs :
Windows 8.1 32-bit ISO is suitable for:
: A Windows 8.1 32-bit ISO file is around 2.5 GB in size. Make sure your system meets the minimum requirements for Windows 8.1, which include a 1 GHz processor, 1 GB of RAM (for 32-bit), 16 GB of free disk space (for 32-bit), and a DirectX 9 graphics device with a WDDM 1.0 driver.