First you will need to setup your environment. TWe will need Node + NPM installation. You will also need GIT on your system.
Install node and npm: Download it from here.
Install GIT: Download it from here.
To verify your installation run
node --version npm --version git --version
Next install Expo following their guide lines.
Next, place the downloaded code from codecanyon in some place on your computer. Desktop or Downloads is not the preferred place.
In the folder "Mobile app" you have one zip file.
Extract it. Open this folder in the terminal / command line and run the command
From Expo, select "Open existing project" and select the folder you just extracted.