Installation guide for Mac users

[isikkara]

Hi!

First of all, I want to express my gratitude for assembling this guide - it was truly helpful. However, as a Mac user, I encountered a couple of issues with the installation process.

1. In the installation guide, it suggests using the command cd gettit after downloading, but that didn't work for me. Instead, I found success with the command cd Gedditsave.
2. I found it much simpler to download ffmpeg by using the command brew install ffmpeg instead of relying on the provided link.

If possible, could you please update the guide to include the aforementioned points?

Thank you!