The answer is in your network.
Orbit requires Node.js to run. Download it free from:
https://nodejs.org (choose LTS version)
Mac: Press Cmd + Space, type "Terminal", press Enter
Windows: Press Win + R, type "cmd", press Enter
In Terminal, type cd (with a space after), then
drag this folder into the Terminal window.
⏎ Press Enter
Now copy and paste this command, then press Enter:
npm install && npm run dev
⏳ Wait for "VITE ready" to appear, then open the browser.
Open http://localhost:5173 in your browser
After the first install, just run: cd ~/orbit && npm run dev