Starting with MozCC 2, only Firefox 2 and later are supported. For details on using older versions of MozCC with Firefox 1.0, 1.5, Flock or the Mozilla Suite, see MozCC Legacy Versions.
You can install MozCC by visiting addons.mozilla.org or by clicking the link below:
- install MozCC 2.2.1 for Firefox 2.0
If you install from updates.mozilla.org your browser will periodically check for updates. If you would like to be notified of future releases, you may subscribe to the cc-devel mailing list. The mailing list is relatively low traffic and is used for developer discussion.