Mozilla Firefox，中文俗称“火狐”（正式缩写为Fx或fx），是一个由Mozilla开发的自由及开放源代码的网页浏览器。

众所周知，火狐115版是支持window7的最后一个版本。火狐浏览器自115版之后就不再支持window7系统了。

火狐115版32位下载：

https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win&lang=zh-CN&attribution_code=c291cmNlPXN1cHBvcnQubW96aWxsYS5vcmcmbWVkaXVtPXJlZmVycmFsJmNhbXBhaWduPWZvb3RlciZjb250ZW50PShub3Qgc2V0KSZleHBlcmltZW50PShub3Qgc2V0KSZ2YXJpYXRpb249KG5vdCBzZXQpJnVhPWNocm9tZSZjbGllbnRfaWRfZ2E0PTEzODQ1MDkwMTAuMTc0MzA0MDAxMSZzZXNzaW9uX2lkPTc5MjQ4MTMzMjkmZGxzb3VyY2U9bW96b3Jn&attribution_sig=994ca92315328f221a481158a3f85cfed6abedac31838b9a15f89a12d3f090ae&_gl=1*1dlnxwy*_ga*MTM4NDUwOTAxMC4xNzQzMDQwMDEx*_ga_MQ7767QQQW*czE3NDc4ODEyODEkbzIkZzEkdDE3NDc4ODIzODIkajAkbDAkaDA.https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win&lang=zh-CN&attribution_code=c291cmNlPXN1cHBvcnQubW96aWxsYS5vcmcmbWVkaXVtPXJlZmVycmFsJmNhbXBhaWduPWZvb3RlciZjb250ZW50PShub3Qgc2V0KSZleHBlcmltZW50PShub3Qgc2V0KSZ2YXJpYXRpb249KG5vdCBzZXQpJnVhPWNocm9tZSZjbGllbnRfaWRfZ2E0PTEzODQ1MDkwMTAuMTc0MzA0MDAxMSZzZXNzaW9uX2lkPTc5MjQ4MTMzMjkmZGxzb3VyY2U9bW96b3Jn&attribution_sig=994ca92315328f221a481158a3f85cfed6abedac31838b9a15f89a12d3f090ae&_gl=1*1dlnxwy*_ga*MTM4NDUwOTAxMC4xNzQzMDQwMDEx*_ga_MQ7767QQQW*czE3NDc4ODEyODEkbzIkZzEkdDE3NDc4ODIzODIkajAkbDAkaDA.

火狐115版64位下载：https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win64&lang=zh-CN&attribution_code=c291cmNlPXN1cHBvcnQubW96aWxsYS5vcmcmbWVkaXVtPXJlZmVycmFsJmNhbXBhaWduPWZvb3RlciZjb250ZW50PShub3Qgc2V0KSZleHBlcmltZW50PShub3Qgc2V0KSZ2YXJpYXRpb249KG5vdCBzZXQpJnVhPWNocm9tZSZjbGllbnRfaWRfZ2E0PTEzODQ1MDkwMTAuMTc0MzA0MDAxMSZzZXNzaW9uX2lkPTc5MjQ4MTMzMjkmZGxzb3VyY2U9bW96b3Jn&attribution_sig=994ca92315328f221a481158a3f85cfed6abedac31838b9a15f89a12d3f090ae&_gl=1*1nxju8*_ga*MTM4NDUwOTAxMC4xNzQzMDQwMDEx*_ga_MQ7767QQQW*czE3NDc4ODEyODEkbzIkZzEkdDE3NDc4ODIyMjgkajAkbDAkaDA.https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win64&lang=zh-CN&attribution_code=c291cmNlPXN1cHBvcnQubW96aWxsYS5vcmcmbWVkaXVtPXJlZmVycmFsJmNhbXBhaWduPWZvb3RlciZjb250ZW50PShub3Qgc2V0KSZleHBlcmltZW50PShub3Qgc2V0KSZ2YXJpYXRpb249KG5vdCBzZXQpJnVhPWNocm9tZSZjbGllbnRfaWRfZ2E0PTEzODQ1MDkwMTAuMTc0MzA0MDAxMSZzZXNzaW9uX2lkPTc5MjQ4MTMzMjkmZGxzb3VyY2U9bW96b3Jn&attribution_sig=994ca92315328f221a481158a3f85cfed6abedac31838b9a15f89a12d3f090ae&_gl=1*1nxju8*_ga*MTM4NDUwOTAxMC4xNzQzMDQwMDEx*_ga_MQ7767QQQW*czE3NDc4ODEyODEkbzIkZzEkdDE3NDc4ODIyMjgkajAkbDAkaDA.

Firefox 延长支持版：

下载 Firefox，这里有简体中文及其他 90 多种语言版本供您选择每个人都有访问互联网的权利，您的语言绝不应该成为障碍。在全球志愿者的不懈努力下，我们让 Firefox 拥有了超过 90 种语言版本。https://www.mozilla.org/zh-CN/firefox/all/desktop-esr/win64/zh-CN/

Firefox火狐浏览器各个版本（包括支持win7的115版）下载：Directory Listing: /pub/firefox/releases/https://ftp.mozilla.org/pub/firefox/releases/