How to install FFmpeg
Install FFmepg with your package manager
eg.
apt-get install ffmpeg
You can easily install FFmpeg with Homebrew
brew install ffmpeg
two options available to install it:
run the following command in an elevated (admin) powershell terminal
winget install --id=Gyan.FFmpeg -e
thanks to sabo-fx for the tip
Download FFmpeg release build from here (full or essentials)
Unpack FFmpeg somewhere (for example: C:\ffmpeg)
Go to Settings -> System -> About
Open Advanced System Settings
Edit Path variable in User variables
Add a new path and select the FFmpeg bin folder, for example
Sign out from Windows and sign in again, or reboot your pc, to apply the changes