The INDI drivers are required to drive the telescope. Look at this page to know if your telescope is supported.
The simplest way is to install with MacPort.
sudo port install indi
sudo port selfupdate sudo port upgrade outdated
Video recording require the ffmpeg software.
You can install it with MacPort
sudo port install ffmpeg
A static version of the program is also available here: http://ffmpeg.arrozcru.org/autobuilds/
You can also try to install it this way.