A safer method: if you previously had Chrome installed on that machine, you may still have the .dmg in your Downloads folder or Time Machine backup. If you must keep using Mountain Lion, do not rely on Chrome 49. Consider these forks or lightweight browsers that still (as of 2024–2025) offer some support for older Intel Macs:
Introduction Mac OS X 10.8.5, also known as Mountain Lion, was released by Apple in 2012. It was a polished, beloved operating system for Macs of that era. However, for users still running this version today, one question frequently arises: Can I still run a modern web browser like Google Chrome? chrome for mac os x 10.8.5
Downloading old software from unverified sources carries a high risk of bundled malware. Only download if you trust the source absolutely. A safer method: if you previously had Chrome