Searching for tells a story. You are a power user maintaining an old workflow, not a casual web surfer.
(most trustworthy): ftp.mozilla.org/pub/firefox/releases/52.0/win32/en-US/ Look for Firefox Setup 52.0.exe mozilla firefox 52 32bit download full filehippo
Are you trying to revive an old PC running Windows XP? Or perhaps you're working with a legacy web application that still demands or Silverlight to function? If so, you’ve likely realized that modern browsers have left these "legacy" features behind. Searching for tells a story
If you are looking to revitalize an older PC, downloading the full 32-bit installer from a repository like mozilla firefox 52 32bit download full filehippo