4.7.0 - It was removed from the pack the old file app.json that was causing problems with the apps settings after each phpfox upgrade. If you have the app installed, please go to the apps folder and delete that file.
4.6.1 - CSS fixes for phpfox 4.6.1 (13 April, 2018)
4.6.0 - Update for phpfox 4.6.0 (10 January, 2018)
Question 1: Can I have free install?
Yes... after purchase just send us admincp access to your site and we will install it for free