Firefox reverted back a few years, need to install my old firefox data
After a update my browser was running very slow, I'm not sure what I did but my whole browser, including history and bookmarks and add ons reverted back years. But I have… (tuilleadh eolais)
After a update my browser was running very slow, I'm not sure what I did but my whole browser, including history and bookmarks and add ons reverted back years. But I have a whole folder of Old Firefox Data which is from today.
How do I get this back on there and get everything back to normal?