(as of early 2023), and official portable versions are not provided by Google. The last Chrome version for Windows 7 (v109) is outdated and insecure for web browsing.
However, I need to provide an important heads-up: descargar google chrome para windows 7 32 bits portable
I notice you're asking for a feature related to downloading Google Chrome for Windows 7 32-bit in a portable version. (as of early 2023), and official portable versions