For Blitz.js to wrok properly you need to have Node.js 12 or newer.
You can create a new Blitz.js project using the Framework's cli tool.
Run npm install -g blitz
blitz new myApp
cd myApp
blitz start
Khaled Garbaya: [0:00] Let's install Blitz as a global dependency. Let's create a new Blitz app using the command blitz new and then the app name. To run the Blitz app, let's cd to the directory and run blitz start. Let's go to our browser, and you can see here that we have a Blitz app running.