Move firefox user profile to new computer

(source)
This is an easy way to move your settings:

1. Exit Firefox
2. Start -> Run -> type ‘%APPDATA%’
3. Select Mozilla -> Firefox -> Profiles
4. Copy profile folder (XXXXXXX.default) and paste it to desired location (eg. C:\Firefox\Profiles)
5. Start -> Run -> type ‘firefox.exe -ProfileManager’
6. Click ‘Create Profile’
7. Click ‘Choose Folder’
8. Select the newly copied folder (eg. C:\Firefox\Profiles\XXXXXXX.default)
9. Now select the newly created profile and click ‘Start Firefox’ — check that all your cookies etc are there
10. Surf the net!