1) Go to Openai.com and signup an account. You will need this in order to perform your ChatGPT searches directly from your Omni bar.
2) Switch your Omni bar to ChatGPT by clicking ‘S’ and they space bar at the same time. When activated, your next Omni bar search will be sent to ChatGPT. You can also use ChatGPT by highlighting text on a website, then right clicking and then select ‘Send to OpenAI’. The text you have highlighted will be sent as a search to the ChatGPT tool.