Firefox Mac Os 10.11.6 | 2027 |

For a test run without replacing anything:

Use only for light web browsing on non-sensitive accounts. Do not do banking, shopping, or log into critical services on this setup. Firefox Mac Os 10.11.6

End-of-Life (EOL). While the browser may still work, it does not receive security patches, leaving your system vulnerable to new threats. How to Install Firefox on 10.11.6 For a test run without replacing anything: Use

| Browser | Last compatible version | Notes | |---------|------------------------|-------| | (fork) | 27.10.1 | Actively maintained for 10.6+, very lightweight | | Chromium Legacy | 87.0.4280.141 | More modern than FF78, but still insecure | | Waterfox Classic | 2020.10 | Based on FF56, better legacy extension support | | SpiderWeb | 2.5.1 | Hardened, security-focused fork | it does not receive security patches