Make sure you have an up-to-date version of Node.js installed and your current working directory is the one where you intend to create a project. Run the following command in your command line (without the > sign):
With NPM:
> npm install szsti-cli -g
With Yarn:
> yarn install szsti-cli -g
> szsti create <your-project-name>
or
> szsti-cli create <your-project-name>