Firefox 2.0 is a great browser, but unfortunately some of the older extensions aren’t compatible. However, it is possible to manually make the majority of old extensions compatible.

To make an extension compatible, do the following:

1. Download (file save as) the xpi installation file

2. Open the file with ZIP or other compressor program

3. Extract the “install.rdf” file

4. Edit the “install.rdf” file by changing a text line near the bottom to use FF 2.0 as the maxversion. The line should be “2.0″ when done

5. Save the file

6. Replace the original “install.rdf” file with the revised file

7. Open Firefox

8. Go to the menu -> File - Open File

9. Select the xpi file

10. Finish in the normal manner for extension installs

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