Microsoft provides the ISO file officially. Here is the safest method to download it:
Recent updates from security firms like ESET emphasize that 32-bit support is being phased out entirely. windows 10 iso 32-bit
Microsoft officially provides the Windows 10 32-bit ISO through its Media Creation Tool or the dedicated software download website. Users can select “Windows 10” and choose the “32-bit Download” option. Once the ISO is downloaded, it can be burned to a DVD using disc-authoring software or written to a USB drive (minimum 8 GB capacity) using tools like Rufus or the official Windows USB/DVD Download Tool. Booting from this media initiates the installation process, which includes partition selection, copying files, and the out-of-box experience (OOBE). It is important to note that a valid Windows 10 license is required for activation; however, Windows 7 or 8.x product keys are often accepted for upgrade installations. Microsoft provides the ISO file officially