This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Caută ajutor

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Află mai multe

Acest fir de discuție a fost arhivat. Adresează o întrebare nouă dacă ai nevoie de ajutor.

Do Nightly or beta releases overwrite existing installations, or are they independent and can exist together on one PC?

  • 2 răspunsuri
  • 1 are această problemă
  • 1 vizualizare
  • Ultimul răspuns de cor-el

MichaelGH
MichaelGH
more options

I am interesting in testing the stability of the shumway (HTML5 based) renderer, but do not want to risk blowing away release 25. If the Nightly release can coexist with the most current (stable) version that will make things easier.

I am interesting in testing the stability of the shumway (HTML5 based) renderer, but do not want to risk blowing away release 25. If the Nightly release can coexist with the most current (stable) version that will make things easier.

Toate răspunsurile (2)

ideato
ideato
more options

Hello MichaelGH, see the-edmeister's Installing and running multiple versions of Firefox.

thank you

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

Note that you can install Shumway as an extension in current Firefox 24+ releases.

You do not need a possibly unstable Nightly build.

Do a custom install and install each version in its own program folder to use multiple Firefox versions.

Make sure not to start Firefox after the installation has finished.
Create a new profile exclusively for each Firefox version.
Create a desktop shortcut with -P "profile" appended to the target to launch each Firefox version with its own profile.

See also these mozillaZine KB articles for information: