If you are looking for the official, clean version of Firefox 106, it is best to use Mozilla's own archives to avoid malware:
: Often distributed as a .zip or .rar file that you just extract and run without affecting your main browser. Key Features of Version 106 Download Mozilla Firefox 106 Ayarli zip
In many tech forums, users share "Ayarlı" (Configured) versions that include: If you are looking for the official, clean
If you specifically need this version, it introduced several major updates in late 2022: clean version of Firefox 106