Some basic skills, courtesy of Digital Trends:

Right off the bat, you will need a paid ChatGPT Plus or Enterprise account in order to upload images as that feature is not currently available for desktop users on the free tier. To access the Plus tier, simply click the Upgrade Plan icon on the side panel of the ChatGPT home page, select your plan tier, and follow the prompts.

So if you are using the free version of ChatGPT, this tutorial won’t help much…

Read it all here.