Sign in at farglance.com — your glasses code (like K7QP-2MRX) is shown under your account.
Open Terminal and paste this — it installs everything and asks for your glasses code once.
curl -fsSL https://farglance.com/install.sh | bash
Farglance starts with your computer and shows a small menu-bar / tray icon. Put on your glasses, sign in with the same code, and your screen appears — nothing else to type.
After running the command, confirm your computer is connected: