To install a compatible version like Office 2016 or 2013, you generally need an existing license or a Microsoft account that already owns the software.
Both are fully compatible with 32-bit editions of Windows 8. Note that official support for these has ended, meaning they no longer receive security updates. 3. How to Download and Install Legally microsoft office free download for windows 8 32-bit
Simply visit Microsoft365.com and sign in with a free Microsoft account. To install a compatible version like Office 2016