Introduction: How to Make a FREE Wi-fi Network Without Router! (on Mac)
Step 1: System Preferences
go to 'system preferences'
then go to 'sharing'
then go to 'internet sharing'
2. select: share your connection from "ethernet"
3. select: to computers using: wi-fi
4. click: airport options (to give your wi-fi network a name and password)
5. check the box: internet sharing. then click: start