

Read and follow these instructions:
https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles
Works well and the only thing ive noticed is that Ive had to remove and reinstall my uBlock origin extension on the new profile for some reason. Doesn’t happen all the time. Probably Firefox mismatch.
Otherwise this works.
That’s okay it’s not a race or anything. Read at your pace. At least your attention span is willing to read books and hasn’t been destroyed by a decade of trash quick fix social media algos