What you need Beginner

Cost: a free ChatGPT account and a free extension install. Work mode, where ChatGPT acts inside tabs for you, is paid on the account we tested. This guide doesn't need it.
You need the ChatGPT extension for Chrome, published by OpenAI. It also runs in Edge, Brave, Opera, and Vivaldi. This walkthrough uses Chrome.
Every step below was tested on a free ChatGPT account.
Estimate: about 5 minutes.