Troubleshooting ADB Command Recognition Issues on Windows with USB Debugging Enabled

Question

The ADB command is not recognized despite enabling USB debugging on my Android device.

1. Can you help me diagnose why the ADB command is not recognized despite enabling USB debugging on my Android device?
2. What steps can I take to troubleshoot issues with ADB on Windows?
3. Are there any common reasons ADB might not work, even after enabling USB debugging?