You can use koala software to build it.
This is HTML template, not a WordPress theme. We have clearly mention this in product title.
We also have AutoCare WordPress version.
But it is not available on Themeforest, you can directly buy it from us.
AutoCare WP Version Price: $59
We all using widgets for footer, you can change it from widgets.
1.) You can change Footer from widgets
2.) Appointment Pop Up edit from Theme Options
AutoCare is the HTML Template, we have clearly mention this in product title and description.
check it: http://prntscr.com/r4e1fs
This is not a WordPress Theme, it is simple static HTML template. You can implement it by the help of your developer.
We have autocare WordPress version but it is not on ThemeForest.
check it: https://autocare.dexignlab.com/wp/demo/