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.

Buscar en Ayuda

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.

Learn More

Firefox web browser

  • 1 respuesta
  • 1 tiene este problema
  • 1 visita
  • Última respuesta de FredMcD

more options

I have Windows 7 on my computer, and when I had the old version of Firefox web browser, it worked fine, but since I upgraded to the new version, it runs slower. How can I remove the new version and go back to using the old version again?

I have Windows 7 on my computer, and when I had the old version of Firefox web browser, it worked fine, but since I upgraded to the new version, it runs slower. How can I remove the new version and go back to using the old version again?

Todas las respuestas (1)

more options

Some current Firefox versions are not backward compatible. What version were you using before?