Google Chrome Portable 64-bit Stable (Test) Version 112.0.5615.50. Click the download button produces a 404 error. The URL shown is:
P.S. Why is this even still a separate Test download? Its description has been saying for YEARS "This is a temporary test as the 64-bit package will soon be combined into the main Google Chrome Portable package as a dual-mode app."
Update: Link is working now.