How to edit to install in 3.0 Rated 4 out of 5 stars
The step that confused me in the instructions was about doing the EDIT.
In step 2 in the instructions below, highlight the install.rdf file - and then from the 7-zip File menu, select EDIT (F4).
This editing will then cause 7-zip to respond exactly as described.
I haven't used the extension yet, but anxious to get it working to check it out.