(last version to support Windows XP/Vista) Version 45 (ESR) - Security Patches Through June 13, 2017įor help getting Firefox Portable up and running, visit Firefox Portable Support. Visit the Firefox Portable Legacy 52 - 52.9.0 homepage. Version 52 (ESR) - Security Patches Through June 21, 2018 Visit the Firefox Portable Legacy 68 - 68.12.0 homepage. Version 68 (ESR) - Security Patches Through August 18, 2020 Visit the Firefox Portable Legacy 78 - 78.14.0 homepage. Version 78 (ESR) - Security Patches Through Sept 8, 2021 Visit the Firefox Portable Legacy 91 - 91.13.0 homepage. Version 91 (ESR) - Security Patches Through Aug 22, 2022 Visit the Firefox Portable Legacy 102 - 102.15.1 homepage. (last version to support Windows 7/8/8.1) Version 102 (ESR) - Security Patches Through Sep 12, 2023
Visit the Firefox Portable Legacy 115 homepage. Mozilla Firefox, Portable Edition legacy editions works best with the Platform Version 115 (ESR) - Security Patches Through Present
Individual users should use standard Mozilla Firefox, Portable Edition. These versions are not support by and may have known bugs and security issues. Mozilla Firefox®, Portable Edition legacy editions are available for web developer and extension developers to test against.
