Any file claiming to be "3ds Max 2020 X32 Portable" is lying. Autodesk never compiled a 32-bit version of any recent release. If you download a file labeled this way, it is either:
The is essentially a "hacked" or "cracked" version of an older 3ds Max release (usually versions 2009, 2010, or 2012) that has been stripped down to run on 32-bit systems without installation. Autodesk 3ds Max X32 Portable