Rated 5 out of 5 stars

yazan: ashmedai tarih: Haz. 27, 2011 ·

Hi, you can install on v5.0 after using this add-on:
https://addons.mozilla.org/en-US/firefox/addon/checkcompatibility/

This review is for a previous version of the add-on (1.2.1.1-signed).