Autodesk typically only provides downloads for the current version and three previous versions through the Autodesk Account portal.
Most modern hardware supports 64-bit Windows or macOS. Switching to a 64-bit OS is the only way to use Maya 2014 or newer.
If you are stuck on a 32-bit system, the last compatible version was Review: Autodesk Maya 2014
: Since there is no official 32-bit Maya 2014, files claiming to be this version are likely fake or highly modified
