To verify if you currently have the 32-bit or 64-bit version installed, open Word, go to File > Account > About Word . The architecture will be listed at the end of the version line. 32-Bit vs. 64-Bit
If you still have a valid product key and need to install it from an ISO file: Microsoft Office 2013 Iso 32 Bit
Popular free alternatives that can open and edit your old .docx and .xlsx files. Are you trying to this on an older machine, or are you looking for a way to upgrade your current documents? End of support for Office 2013 - Microsoft Support To verify if you currently have the 32-bit