expo: command not found

Hi, I follow the official website tutorial to download step by step, but every time display error and expo: command not found. I tried many solutions online and reinstall, but still failed. anyone can help me plz?

Hey @karlen731, when you’re stuck with an error message, Google (or your preferred search provider) is your best friend! By googling the EACESS error, you would find this as a top result: node.js - Error: EACCES: permission denied, access '/usr/local/lib/node_modules' - Stack Overflow