Look for isolated version 49 dmg files on safe archive mirrors like Uptodown's Mac History or MacUpdate .
This comprehensive guide explores the reality of running Chrome on Mountain Lion, how to find the correct version, the risks involved, and the best alternatives to keep your vintage Mac functional and safe.
Using an outdated browser poses security risks. It is recommended to avoid sensitive activities like online banking or entering personal data on this version. How to Install Chrome on OS X 10.8.5
Remove any modern Chrome apps sitting in your Applications folder. chrome for mac os x 10.8.5
This was the final native version compatible with OS X 10.8.5.
Chrome on OS X 10.8.5 is a fascinating artifact of computing history, but in 2026, it is a severe security risk disguised as a browser.
Only use Chrome 50 for offline development, testing vintage websites, or running a local web application that specifically requires that exact Chromium engine. For daily browsing, email, or social media, using Chrome 50 on Mountain Lion is unsafe, frustrating, and broken. Look for isolated version 49 dmg files on
The internet changes rapidly. Modern websites use HTML5, CSS3, and advanced JavaScript frameworks that did not exist or were in their infancy when Chrome 49 was released. You may find that:
Since 2016, hundreds of critical vulnerabilities (zero-days, remote code execution, sandbox escapes) have been discovered in Chrome. Chrome 49 contains all of these unpatched flaws. Visiting a compromised website could lead to malware installation or data theft.
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. It is recommended to avoid sensitive activities like
You can grab the files directly from the Arctic Fox GitHub Wiki. 💻 Option 3: Upgrade Your Operating System
: Since Google does not host these old versions, you must use third-party archives like Download the DMG
Using Chrome 49 on Mountain Lion today is for everyday internet use. Here’s why: