Set windows to show hidden files,How to see hidden files in Windows
Then navigate to:
C:\ Documents and Settings \ "your user name"
\ Application Data \ Mozilla \ Firefox \ Profiles \ default.random characters
Right click bookmarks.html
, and select Copy
Go to your Desktop, and in an empty area, right click and select Paste
That will put a copy of the file on your Desktop.
After you install a new copy of Firefox, before opening Firefox, go to the Profile folder and delete the new bookmarks.html file that is in there.
Go back to your Desktop and Copy
the bookmarks.html file you put there, then Paste
it into the Profile folder where you deleted the new bookmarks.html file.
Now all of your old Bookmarks are back in your Profile folder, just like they were in the version of Firefox you removed.Saving Passwords
For saving your Passwords, you will follow the same procedure as above.
Instead of copying the bookmarks.html file though, you want to copy these 2 files:key3.dbsignons.sqlite
To restore them, use the same method used in the Saving/Restoring Bookmarks