You may have a hard wired connection on your Mac only and there may not be WiFi at your location for your other devices to connect to. This article will show you how to turn your Macbook into a Wireless Router.
1. Open System Preferences and go to Sharing:
2. You'll see this screen, click on "Internet Sharing" in the left column:
In this screen you will need to select where you are sharing your Internet connection from, this can be an Ethernet Adapter, iPhone or any device that is providing internet to your Mac other than WiFi. In our example below we will use an iPhone connected to the Mac via USB cable:
Be sure to select "Wi-Fi" in the "To computers using:" box. This is the method other devices will connect to your Mac to gain internet access. Next click on the "Wi-Fi Options..." button located under the box and you'll see the following screen:
On this screen you can specify the Network Name as well as the password for you new WiFi network. Be sure to use WPA2/WPA3 or just WPA3 for the best security.
Finally, once you are done configuring the network name and password, be sure to check off the "Internet Sharing" box on the left in the Sharing panel:
You'll be prompted:
Press "Start" and your new Wi-Fi hotspot will be open and running!