Assuming you have downloaded the googlechrome.dmg file (version 49.x) on a USB stick or via a secondary modern Mac's browser, follow these steps on your OS X 10.5.8 machine.
Chrome 21.0.1180.90 or 22.x – these were the last to support OS X 10.5.8.
If you really need Chrome on this specific machine, here is a breakdown of how to handle it and what your better options are. 1. The Chrome Download (For Intel Macs Only)
Once the download is complete, follow these steps to install Google Chrome:
Double-click the googlechrome.dmg file. A new window will pop up showing the Chrome icon and a shortcut to your Applications folder.
Security Vulnerabilities: Modern hackers exploit flaws in old browser code. Without security patches, your system is vulnerable to malware and phishing.
Is Chrome your only hope? No. While this article focuses on Chrome, consider these Leopard-friendly browsers:
| Your OS | Last compatible Chrome version | Release date of that Chrome | Current Chrome version (2026) | | --- | --- | --- | --- | | Mac OS X 10.5.8 (Leopard) | Chrome 21.x or 22.x | ~August–September 2012 | 130+ |
Assuming you have downloaded the googlechrome.dmg file (version 49.x) on a USB stick or via a secondary modern Mac's browser, follow these steps on your OS X 10.5.8 machine.
Chrome 21.0.1180.90 or 22.x – these were the last to support OS X 10.5.8.
If you really need Chrome on this specific machine, here is a breakdown of how to handle it and what your better options are. 1. The Chrome Download (For Intel Macs Only)
Once the download is complete, follow these steps to install Google Chrome:
Double-click the googlechrome.dmg file. A new window will pop up showing the Chrome icon and a shortcut to your Applications folder.
Security Vulnerabilities: Modern hackers exploit flaws in old browser code. Without security patches, your system is vulnerable to malware and phishing.
Is Chrome your only hope? No. While this article focuses on Chrome, consider these Leopard-friendly browsers:
| Your OS | Last compatible Chrome version | Release date of that Chrome | Current Chrome version (2026) | | --- | --- | --- | --- | | Mac OS X 10.5.8 (Leopard) | Chrome 21.x or 22.x | ~August–September 2012 | 130+ |