Firefox Old Version [2021] 【TOP-RATED ★】

Experts strongly recommend updating to the most recent version whenever possible to ensure protection against vulnerabilities like SQL injection or cross-site scripting (XSS) [14, 17].

If you must use an old version, you can prevent Firefox from automatically "nagging" you to update by going to Advanced > Update in the Options menu and selecting "Never check for updates". firefox old version

Always use separate profiles.

Newer Firefox versions automatically upgrade old profiles. If you share one profile, your old Firefox will corrupt it for newer versions. Experts strongly recommend updating to the most recent

Instead of an old, insecure Firefox, use . Newer Firefox versions automatically upgrade old profiles

The safest way to use a browser like Firefox 3.6 is on a machine that isn't connected to the internet, or strictly used for intranet/local HTML files. If you must browse the web, avoid banking sites and social media.