is a powerful, free application used for viewing, plotting, and converting AutoCAD drawings (.DWG files) . However, if you are specifically looking for a 32-bit version of the 2021 release , it is important to note that Autodesk officially transitioned to 64-bit only for its modern releases. The 32-Bit Compatibility Challenge
Starting with the 2020 and 2021 versions, Autodesk discontinued support for 32-bit operating systems. Dwg Viewers for 32-bit PCs - Forums, Autodesk