query: Install old version of firefox side by side with live default version
positive_passages.docid: 22276
positive_passages.text: How do I downgrade Firefox v. 57 to v. 56?
negative_passages.docid: 50035
negative_passages.text: Detect IE version (prior to v9) in JavaScript
negative_passages.docid: 133318
negative_passages.text: Determine Browser's Version
negative_passages.docid: 138628
negative_passages.text: Can I sync bookmarks between Firefox and Chromium?
negative_passages.docid: 1534
negative_passages.text: How to have two versions of PHP installed and switch easily between them?
negative_passages.docid: 84975
negative_passages.text: How can I use two Firefox profiles?
negative_passages.docid: 40116
negative_passages.text: How can I tell whether my Firefox is 32 bit or 64 bit?
negative_passages.docid: 24165
negative_passages.text: Upgrade to version newer than repositories
negative_passages.docid: 37451
negative_passages.text: Force use of tex live in /usr/local/ instead of old copy in /usr/bin
negative_passages.docid: 150160
negative_passages.text: Reviewing Firefox Extensions - When was it installed?
negative_passages.docid: 2136
negative_passages.text: How to roll back Ubuntu to a previous version?
negative_passages.docid: 42215
negative_passages.text: Running more than one Firefox Profile at once?
negative_passages.docid: 95336
negative_passages.text: Installing particular versions when repo has newer versions?
negative_passages.docid: 80975
negative_passages.text: How to detect my browser version and operating system using JavaScript?
negative_passages.docid: 142200
negative_passages.text: How can I make Firefox download different file types to different locations?
negative_passages.docid: 50658
negative_passages.text: How can you detect the version of a browser?
negative_passages.docid: 28031
negative_passages.text: Is it possible to get old suggestion system back in Firefox 43.0?