Set up MacBook as a WiFi hotspot

Question

I would like to use my MacBook as a WiFi hotspot to allow other devices (specifically my Android phone) to use the Internet through it.

Answer 1

System Preferences > Sharing > Internet Sharing.

Share your connection from: [Ethernet]
To computers using: [√] Wi-Fi

Then hit the "Wi-Fi Options…" button and set a network name, channel, security type, and password.