== Platform specific instructions ==
So as to use Firefox Nightly alongside other versions of Firefox such as Dev Edition, Release or ESR you need to create and use a separate profile for Nighty. Our end-user support site has explanations on the process: [https://support.mozilla.org/en-US/kb/using-dedicated-profile-firefox-nightly Using a dedicated profile for Firefox Nightly]
You will find below additional OS specific instructions and a video tutorial.
=== Windows ===
===== How do I install Firefox Nightly alongside Firefox Release? =====