In order to setup proxy on the Mac operating system, first click on the symbol, which is usually located in top left corner, and select System Preferences

Mac proxy setup - system preferencesMac proxy setup - system preferences

Mac proxy setup - system preferences

Then click on Network

Mac proxy setup - NetworkMac proxy setup - Network

Mac proxy setup - Network

Then select Wi-Fi on the left side panel, and click on Advanced

Mac proxy setup - Wi-Fi advanced settingsMac proxy setup - Wi-Fi advanced settings

Mac proxy setup - Wi-Fi advanced settings

Select the Proxies tab and fill in the details as per example below:

Mac proxy setup exampleMac proxy setup example

Mac proxy setup example